Home / 18,952.38-28,429.58-7,264.69

Finding the Fourth Proportional to 18,952.38, 28,429.58 and 7,264.69

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Solution

The fourth proportional to 18,952.38, 28,429.58 and 7,264.69 is: 10,897.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,952.38 : 28,429.58 = 7,264.69 : x
  2. Step 2: Convert to fraction form
    18,952.38/28,429.58 = 7,264.69/x
  3. Step 3: Cross multiply
    18,952.38x = 28,429.58 × 7,264.69
  4. Step 4: Simplify right side
    18,952.38x = 206,532,032.62
  5. Step 5: Solve for x
    x = 206,532,032.62/18,952.38
  6. Step 6: Final answer
    x = 10,897.42

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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.