Home / 10,781.10-14,876.87-6,065.28

Finding the Fourth Proportional to 10,781.10, 14,876.87 and 6,065.28

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Solution

The fourth proportional to 10,781.10, 14,876.87 and 6,065.28 is: 8,369.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.10 : 14,876.87 = 6,065.28 : x
  2. Step 2: Convert to fraction form
    10,781.10/14,876.87 = 6,065.28/x
  3. Step 3: Cross multiply
    10,781.10x = 14,876.87 × 6,065.28
  4. Step 4: Simplify right side
    10,781.10x = 90,232,351.75
  5. Step 5: Solve for x
    x = 90,232,351.75/10,781.10
  6. Step 6: Final answer
    x = 8,369.49

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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.