Home / 13,752.45-18,951.17-9,762.39

Finding the Fourth Proportional to 13,752.45, 18,951.17 and 9,762.39

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Solution

The fourth proportional to 13,752.45, 18,951.17 and 9,762.39 is: 13,452.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.45 : 18,951.17 = 9,762.39 : x
  2. Step 2: Convert to fraction form
    13,752.45/18,951.17 = 9,762.39/x
  3. Step 3: Cross multiply
    13,752.45x = 18,951.17 × 9,762.39
  4. Step 4: Simplify right side
    13,752.45x = 185,008,663.68
  5. Step 5: Solve for x
    x = 185,008,663.68/13,752.45
  6. Step 6: Final answer
    x = 13,452.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.