Home / 10,603.60-15,902.96-4,761.88

Finding the Fourth Proportional to 10,603.60, 15,902.96 and 4,761.88

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Solution

The fourth proportional to 10,603.60, 15,902.96 and 4,761.88 is: 7,141.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.60 : 15,902.96 = 4,761.88 : x
  2. Step 2: Convert to fraction form
    10,603.60/15,902.96 = 4,761.88/x
  3. Step 3: Cross multiply
    10,603.60x = 15,902.96 × 4,761.88
  4. Step 4: Simplify right side
    10,603.60x = 75,727,907.65
  5. Step 5: Solve for x
    x = 75,727,907.65/10,603.60
  6. Step 6: Final answer
    x = 7,141.72

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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.