Home / 10,331.46-15,422.22-9,086.04

Finding the Fourth Proportional to 10,331.46, 15,422.22 and 9,086.04

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Solution

The fourth proportional to 10,331.46, 15,422.22 and 9,086.04 is: 13,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.46 : 15,422.22 = 9,086.04 : x
  2. Step 2: Convert to fraction form
    10,331.46/15,422.22 = 9,086.04/x
  3. Step 3: Cross multiply
    10,331.46x = 15,422.22 × 9,086.04
  4. Step 4: Simplify right side
    10,331.46x = 140,126,907.81
  5. Step 5: Solve for x
    x = 140,126,907.81/10,331.46
  6. Step 6: Final answer
    x = 13,563.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.