Home / 12,728.58-19,057.17-9,598.74

Finding the Fourth Proportional to 12,728.58, 19,057.17 and 9,598.74

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Solution

The fourth proportional to 12,728.58, 19,057.17 and 9,598.74 is: 14,371.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,728.58 : 19,057.17 = 9,598.74 : x
  2. Step 2: Convert to fraction form
    12,728.58/19,057.17 = 9,598.74/x
  3. Step 3: Cross multiply
    12,728.58x = 19,057.17 × 9,598.74
  4. Step 4: Simplify right side
    12,728.58x = 182,924,819.97
  5. Step 5: Solve for x
    x = 182,924,819.97/12,728.58
  6. Step 6: Final answer
    x = 14,371.19

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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.