Home / 17,988.95-24,844.12-13,694.20

Finding the Fourth Proportional to 17,988.95, 24,844.12 and 13,694.20

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Solution

The fourth proportional to 17,988.95, 24,844.12 and 13,694.20 is: 18,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.95 : 24,844.12 = 13,694.20 : x
  2. Step 2: Convert to fraction form
    17,988.95/24,844.12 = 13,694.20/x
  3. Step 3: Cross multiply
    17,988.95x = 24,844.12 × 13,694.20
  4. Step 4: Simplify right side
    17,988.95x = 340,220,251.76
  5. Step 5: Solve for x
    x = 340,220,251.76/17,988.95
  6. Step 6: Final answer
    x = 18,912.73

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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.