Home / 15,280.62-22,921.14-11,122.90

Finding the Fourth Proportional to 15,280.62, 22,921.14 and 11,122.90

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Solution

The fourth proportional to 15,280.62, 22,921.14 and 11,122.90 is: 16,684.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280.62 : 22,921.14 = 11,122.90 : x
  2. Step 2: Convert to fraction form
    15,280.62/22,921.14 = 11,122.90/x
  3. Step 3: Cross multiply
    15,280.62x = 22,921.14 × 11,122.90
  4. Step 4: Simplify right side
    15,280.62x = 254,949,548.11
  5. Step 5: Solve for x
    x = 254,949,548.11/15,280.62
  6. Step 6: Final answer
    x = 16,684.50

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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.