Home / 19,517.12-26,937.60-13,231.52

Finding the Fourth Proportional to 19,517.12, 26,937.60 and 13,231.52

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Solution

The fourth proportional to 19,517.12, 26,937.60 and 13,231.52 is: 18,262.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.12 : 26,937.60 = 13,231.52 : x
  2. Step 2: Convert to fraction form
    19,517.12/26,937.60 = 13,231.52/x
  3. Step 3: Cross multiply
    19,517.12x = 26,937.60 × 13,231.52
  4. Step 4: Simplify right side
    19,517.12x = 356,425,393.15
  5. Step 5: Solve for x
    x = 356,425,393.15/19,517.12
  6. Step 6: Final answer
    x = 18,262.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.