Home / 15,388.28-23,084.04-7,589.60

Finding the Fourth Proportional to 15,388.28, 23,084.04 and 7,589.60

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Solution

The fourth proportional to 15,388.28, 23,084.04 and 7,589.60 is: 11,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,388.28 : 23,084.04 = 7,589.60 : x
  2. Step 2: Convert to fraction form
    15,388.28/23,084.04 = 7,589.60/x
  3. Step 3: Cross multiply
    15,388.28x = 23,084.04 × 7,589.60
  4. Step 4: Simplify right side
    15,388.28x = 175,198,629.98
  5. Step 5: Solve for x
    x = 175,198,629.98/15,388.28
  6. Step 6: Final answer
    x = 11,385.20

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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.