Home / 10,497.45-14,487.15-5,781.74

Finding the Fourth Proportional to 10,497.45, 14,487.15 and 5,781.74

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Solution

The fourth proportional to 10,497.45, 14,487.15 and 5,781.74 is: 7,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,497.45 : 14,487.15 = 5,781.74 : x
  2. Step 2: Convert to fraction form
    10,497.45/14,487.15 = 5,781.74/x
  3. Step 3: Cross multiply
    10,497.45x = 14,487.15 × 5,781.74
  4. Step 4: Simplify right side
    10,497.45x = 83,760,862.21
  5. Step 5: Solve for x
    x = 83,760,862.21/10,497.45
  6. Step 6: Final answer
    x = 7,979.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.