Home / 15,180.16-22,773.48-5,320.04

Finding the Fourth Proportional to 15,180.16, 22,773.48 and 5,320.04

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Solution

The fourth proportional to 15,180.16, 22,773.48 and 5,320.04 is: 7,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,180.16 : 22,773.48 = 5,320.04 : x
  2. Step 2: Convert to fraction form
    15,180.16/22,773.48 = 5,320.04/x
  3. Step 3: Cross multiply
    15,180.16x = 22,773.48 × 5,320.04
  4. Step 4: Simplify right side
    15,180.16x = 121,155,824.54
  5. Step 5: Solve for x
    x = 121,155,824.54/15,180.16
  6. Step 6: Final answer
    x = 7,981.20

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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.