Home / 18,073.80-27,130.14-9,306.36

Finding the Fourth Proportional to 18,073.80, 27,130.14 and 9,306.36

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Solution

The fourth proportional to 18,073.80, 27,130.14 and 9,306.36 is: 13,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,073.80 : 27,130.14 = 9,306.36 : x
  2. Step 2: Convert to fraction form
    18,073.80/27,130.14 = 9,306.36/x
  3. Step 3: Cross multiply
    18,073.80x = 27,130.14 × 9,306.36
  4. Step 4: Simplify right side
    18,073.80x = 252,482,849.69
  5. Step 5: Solve for x
    x = 252,482,849.69/18,073.80
  6. Step 6: Final answer
    x = 13,969.55

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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.