Home / 15,550.20-23,349.60-8,989.20

Finding the Fourth Proportional to 15,550.20, 23,349.60 and 8,989.20

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Solution

The fourth proportional to 15,550.20, 23,349.60 and 8,989.20 is: 13,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550.20 : 23,349.60 = 8,989.20 : x
  2. Step 2: Convert to fraction form
    15,550.20/23,349.60 = 8,989.20/x
  3. Step 3: Cross multiply
    15,550.20x = 23,349.60 × 8,989.20
  4. Step 4: Simplify right side
    15,550.20x = 209,894,224.32
  5. Step 5: Solve for x
    x = 209,894,224.32/15,550.20
  6. Step 6: Final answer
    x = 13,497.85

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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.