Home / 10,625.54-15,920.57-7,500.43

Finding the Fourth Proportional to 10,625.54, 15,920.57 and 7,500.43

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Solution

The fourth proportional to 10,625.54, 15,920.57 and 7,500.43 is: 11,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,625.54 : 15,920.57 = 7,500.43 : x
  2. Step 2: Convert to fraction form
    10,625.54/15,920.57 = 7,500.43/x
  3. Step 3: Cross multiply
    10,625.54x = 15,920.57 × 7,500.43
  4. Step 4: Simplify right side
    10,625.54x = 119,411,120.85
  5. Step 5: Solve for x
    x = 119,411,120.85/10,625.54
  6. Step 6: Final answer
    x = 11,238.12

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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.