Home / 10,351.40-15,527.10-8,711.15

Finding the Fourth Proportional to 10,351.40, 15,527.10 and 8,711.15

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Solution

The fourth proportional to 10,351.40, 15,527.10 and 8,711.15 is: 13,066.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.40 : 15,527.10 = 8,711.15 : x
  2. Step 2: Convert to fraction form
    10,351.40/15,527.10 = 8,711.15/x
  3. Step 3: Cross multiply
    10,351.40x = 15,527.10 × 8,711.15
  4. Step 4: Simplify right side
    10,351.40x = 135,258,897.17
  5. Step 5: Solve for x
    x = 135,258,897.17/10,351.40
  6. Step 6: Final answer
    x = 13,066.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.