Home / 8,384.24-12,574.10-3,992.96

Finding the Fourth Proportional to 8,384.24, 12,574.10 and 3,992.96

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Solution

The fourth proportional to 8,384.24, 12,574.10 and 3,992.96 is: 5,988.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384.24 : 12,574.10 = 3,992.96 : x
  2. Step 2: Convert to fraction form
    8,384.24/12,574.10 = 3,992.96/x
  3. Step 3: Cross multiply
    8,384.24x = 12,574.10 × 3,992.96
  4. Step 4: Simplify right side
    8,384.24x = 50,207,825.45
  5. Step 5: Solve for x
    x = 50,207,825.45/8,384.24
  6. Step 6: Final answer
    x = 5,988.36

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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.