Home / 10,132.01-15,180.55-9,104.81

Finding the Fourth Proportional to 10,132.01, 15,180.55 and 9,104.81

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Solution

The fourth proportional to 10,132.01, 15,180.55 and 9,104.81 is: 13,641.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.01 : 15,180.55 = 9,104.81 : x
  2. Step 2: Convert to fraction form
    10,132.01/15,180.55 = 9,104.81/x
  3. Step 3: Cross multiply
    10,132.01x = 15,180.55 × 9,104.81
  4. Step 4: Simplify right side
    10,132.01x = 138,216,023.45
  5. Step 5: Solve for x
    x = 138,216,023.45/10,132.01
  6. Step 6: Final answer
    x = 13,641.52

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1.5x scale

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.