Home / 12,391.39-18,586.84-4,995.68

Finding the Fourth Proportional to 12,391.39, 18,586.84 and 4,995.68

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Solution

The fourth proportional to 12,391.39, 18,586.84 and 4,995.68 is: 7,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,391.39 : 18,586.84 = 4,995.68 : x
  2. Step 2: Convert to fraction form
    12,391.39/18,586.84 = 4,995.68/x
  3. Step 3: Cross multiply
    12,391.39x = 18,586.84 × 4,995.68
  4. Step 4: Simplify right side
    12,391.39x = 92,853,904.85
  5. Step 5: Solve for x
    x = 92,853,904.85/12,391.39
  6. Step 6: Final answer
    x = 7,493.42

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.