Home / 10,086.56-13,909.68-6,729.51

Finding the Fourth Proportional to 10,086.56, 13,909.68 and 6,729.51

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Solution

The fourth proportional to 10,086.56, 13,909.68 and 6,729.51 is: 9,280.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086.56 : 13,909.68 = 6,729.51 : x
  2. Step 2: Convert to fraction form
    10,086.56/13,909.68 = 6,729.51/x
  3. Step 3: Cross multiply
    10,086.56x = 13,909.68 × 6,729.51
  4. Step 4: Simplify right side
    10,086.56x = 93,605,330.66
  5. Step 5: Solve for x
    x = 93,605,330.66/10,086.56
  6. Step 6: Final answer
    x = 9,280.21

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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.