Home / 18,767.30-28,150.92-8,901.19

Finding the Fourth Proportional to 18,767.30, 28,150.92 and 8,901.19

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Solution

The fourth proportional to 18,767.30, 28,150.92 and 8,901.19 is: 13,351.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.30 : 28,150.92 = 8,901.19 : x
  2. Step 2: Convert to fraction form
    18,767.30/28,150.92 = 8,901.19/x
  3. Step 3: Cross multiply
    18,767.30x = 28,150.92 × 8,901.19
  4. Step 4: Simplify right side
    18,767.30x = 250,576,687.59
  5. Step 5: Solve for x
    x = 250,576,687.59/18,767.30
  6. Step 6: Final answer
    x = 13,351.77

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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.