Home / 15,557.88-23,343.72-8,160.60

Finding the Fourth Proportional to 15,557.88, 23,343.72 and 8,160.60

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Solution

The fourth proportional to 15,557.88, 23,343.72 and 8,160.60 is: 12,244.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557.88 : 23,343.72 = 8,160.60 : x
  2. Step 2: Convert to fraction form
    15,557.88/23,343.72 = 8,160.60/x
  3. Step 3: Cross multiply
    15,557.88x = 23,343.72 × 8,160.60
  4. Step 4: Simplify right side
    15,557.88x = 190,498,761.43
  5. Step 5: Solve for x
    x = 190,498,761.43/15,557.88
  6. Step 6: Final answer
    x = 12,244.52

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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.