Home / 10,781.29-14,878.83-6,065.92

Finding the Fourth Proportional to 10,781.29, 14,878.83 and 6,065.92

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Solution

The fourth proportional to 10,781.29, 14,878.83 and 6,065.92 is: 8,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.29 : 14,878.83 = 6,065.92 : x
  2. Step 2: Convert to fraction form
    10,781.29/14,878.83 = 6,065.92/x
  3. Step 3: Cross multiply
    10,781.29x = 14,878.83 × 6,065.92
  4. Step 4: Simplify right side
    10,781.29x = 90,253,792.47
  5. Step 5: Solve for x
    x = 90,253,792.47/10,781.29
  6. Step 6: Final answer
    x = 8,371.34

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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.