Home / 13,101.80-18,061.38-9,952.52

Finding the Fourth Proportional to 13,101.80, 18,061.38 and 9,952.52

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Solution

The fourth proportional to 13,101.80, 18,061.38 and 9,952.52 is: 13,719.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.80 : 18,061.38 = 9,952.52 : x
  2. Step 2: Convert to fraction form
    13,101.80/18,061.38 = 9,952.52/x
  3. Step 3: Cross multiply
    13,101.80x = 18,061.38 × 9,952.52
  4. Step 4: Simplify right side
    13,101.80x = 179,756,245.68
  5. Step 5: Solve for x
    x = 179,756,245.68/13,101.80
  6. Step 6: Final answer
    x = 13,719.97

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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.