Home / 10,646.32-15,930.60-6,265.84

Finding the Fourth Proportional to 10,646.32, 15,930.60 and 6,265.84

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Solution

The fourth proportional to 10,646.32, 15,930.60 and 6,265.84 is: 9,375.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.32 : 15,930.60 = 6,265.84 : x
  2. Step 2: Convert to fraction form
    10,646.32/15,930.60 = 6,265.84/x
  3. Step 3: Cross multiply
    10,646.32x = 15,930.60 × 6,265.84
  4. Step 4: Simplify right side
    10,646.32x = 99,818,590.70
  5. Step 5: Solve for x
    x = 99,818,590.70/10,646.32
  6. Step 6: Final answer
    x = 9,375.88

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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.