Home / 10,135.98-15,204.04-3,115.92

Finding the Fourth Proportional to 10,135.98, 15,204.04 and 3,115.92

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Solution

The fourth proportional to 10,135.98, 15,204.04 and 3,115.92 is: 4,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.98 : 15,204.04 = 3,115.92 : x
  2. Step 2: Convert to fraction form
    10,135.98/15,204.04 = 3,115.92/x
  3. Step 3: Cross multiply
    10,135.98x = 15,204.04 × 3,115.92
  4. Step 4: Simplify right side
    10,135.98x = 47,374,572.32
  5. Step 5: Solve for x
    x = 47,374,572.32/10,135.98
  6. Step 6: Final answer
    x = 4,673.90

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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.