Home / 10,781.90-14,879.26-6,066.28

Finding the Fourth Proportional to 10,781.90, 14,879.26 and 6,066.28

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Solution

The fourth proportional to 10,781.90, 14,879.26 and 6,066.28 is: 8,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.90 : 14,879.26 = 6,066.28 : x
  2. Step 2: Convert to fraction form
    10,781.90/14,879.26 = 6,066.28/x
  3. Step 3: Cross multiply
    10,781.90x = 14,879.26 × 6,066.28
  4. Step 4: Simplify right side
    10,781.90x = 90,261,757.35
  5. Step 5: Solve for x
    x = 90,261,757.35/10,781.90
  6. Step 6: Final answer
    x = 8,371.60

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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.