Home / 10,318.90-15,461.12-9,934.96

Finding the Fourth Proportional to 10,318.90, 15,461.12 and 9,934.96

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Solution

The fourth proportional to 10,318.90, 15,461.12 and 9,934.96 is: 14,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.90 : 15,461.12 = 9,934.96 : x
  2. Step 2: Convert to fraction form
    10,318.90/15,461.12 = 9,934.96/x
  3. Step 3: Cross multiply
    10,318.90x = 15,461.12 × 9,934.96
  4. Step 4: Simplify right side
    10,318.90x = 153,605,608.76
  5. Step 5: Solve for x
    x = 153,605,608.76/10,318.90
  6. Step 6: Final answer
    x = 14,885.85

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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.