Home / 10,085.56-13,909.18-6,549.88

Finding the Fourth Proportional to 10,085.56, 13,909.18 and 6,549.88

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Solution

The fourth proportional to 10,085.56, 13,909.18 and 6,549.88 is: 9,033.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.56 : 13,909.18 = 6,549.88 : x
  2. Step 2: Convert to fraction form
    10,085.56/13,909.18 = 6,549.88/x
  3. Step 3: Cross multiply
    10,085.56x = 13,909.18 × 6,549.88
  4. Step 4: Simplify right side
    10,085.56x = 91,103,459.90
  5. Step 5: Solve for x
    x = 91,103,459.90/10,085.56
  6. Step 6: Final answer
    x = 9,033.06

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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.