Home / 12,130.23-18,195.35-4,337.49

Finding the Fourth Proportional to 12,130.23, 18,195.35 and 4,337.49

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Solution

The fourth proportional to 12,130.23, 18,195.35 and 4,337.49 is: 6,506.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130.23 : 18,195.35 = 4,337.49 : x
  2. Step 2: Convert to fraction form
    12,130.23/18,195.35 = 4,337.49/x
  3. Step 3: Cross multiply
    12,130.23x = 18,195.35 × 4,337.49
  4. Step 4: Simplify right side
    12,130.23x = 78,922,148.67
  5. Step 5: Solve for x
    x = 78,922,148.67/12,130.23
  6. Step 6: Final answer
    x = 6,506.24

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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.