Home / 13,519.97-18,658.88-7,552.02

Finding the Fourth Proportional to 13,519.97, 18,658.88 and 7,552.02

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Solution

The fourth proportional to 13,519.97, 18,658.88 and 7,552.02 is: 10,422.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,519.97 : 18,658.88 = 7,552.02 : x
  2. Step 2: Convert to fraction form
    13,519.97/18,658.88 = 7,552.02/x
  3. Step 3: Cross multiply
    13,519.97x = 18,658.88 × 7,552.02
  4. Step 4: Simplify right side
    13,519.97x = 140,912,127.21
  5. Step 5: Solve for x
    x = 140,912,127.21/13,519.97
  6. Step 6: Final answer
    x = 10,422.52

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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.