Home / 15,562.20-23,343.30-5,172.60

Finding the Fourth Proportional to 15,562.20, 23,343.30 and 5,172.60

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Solution

The fourth proportional to 15,562.20, 23,343.30 and 5,172.60 is: 7,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562.20 : 23,343.30 = 5,172.60 : x
  2. Step 2: Convert to fraction form
    15,562.20/23,343.30 = 5,172.60/x
  3. Step 3: Cross multiply
    15,562.20x = 23,343.30 × 5,172.60
  4. Step 4: Simplify right side
    15,562.20x = 120,745,553.58
  5. Step 5: Solve for x
    x = 120,745,553.58/15,562.20
  6. Step 6: Final answer
    x = 7,758.90

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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.