Home / 15,560.59-23,340.89-5,172.34

Finding the Fourth Proportional to 15,560.59, 23,340.89 and 5,172.34

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Solution

The fourth proportional to 15,560.59, 23,340.89 and 5,172.34 is: 7,758.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,560.59 : 23,340.89 = 5,172.34 : x
  2. Step 2: Convert to fraction form
    15,560.59/23,340.89 = 5,172.34/x
  3. Step 3: Cross multiply
    15,560.59x = 23,340.89 × 5,172.34
  4. Step 4: Simplify right side
    15,560.59x = 120,727,018.98
  5. Step 5: Solve for x
    x = 120,727,018.98/15,560.59
  6. Step 6: Final answer
    x = 7,758.51

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Similar ratio
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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.