Home / 18,329.91-27,381.15-13,292.30

Finding the Fourth Proportional to 18,329.91, 27,381.15 and 13,292.30

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Solution

The fourth proportional to 18,329.91, 27,381.15 and 13,292.30 is: 19,855.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.91 : 27,381.15 = 13,292.30 : x
  2. Step 2: Convert to fraction form
    18,329.91/27,381.15 = 13,292.30/x
  3. Step 3: Cross multiply
    18,329.91x = 27,381.15 × 13,292.30
  4. Step 4: Simplify right side
    18,329.91x = 363,958,323.24
  5. Step 5: Solve for x
    x = 363,958,323.24/18,329.91
  6. Step 6: Final answer
    x = 19,855.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.