Home / 10,327.11-15,528.03-9,515.19

Finding the Fourth Proportional to 10,327.11, 15,528.03 and 9,515.19

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Solution

The fourth proportional to 10,327.11, 15,528.03 and 9,515.19 is: 14,307.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,327.11 : 15,528.03 = 9,515.19 : x
  2. Step 2: Convert to fraction form
    10,327.11/15,528.03 = 9,515.19/x
  3. Step 3: Cross multiply
    10,327.11x = 15,528.03 × 9,515.19
  4. Step 4: Simplify right side
    10,327.11x = 147,752,155.78
  5. Step 5: Solve for x
    x = 147,752,155.78/10,327.11
  6. Step 6: Final answer
    x = 14,307.21

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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.