Home / 18,722.92-28,098.21-8,862.19

Finding the Fourth Proportional to 18,722.92, 28,098.21 and 8,862.19

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Solution

The fourth proportional to 18,722.92, 28,098.21 and 8,862.19 is: 13,299.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.92 : 28,098.21 = 8,862.19 : x
  2. Step 2: Convert to fraction form
    18,722.92/28,098.21 = 8,862.19/x
  3. Step 3: Cross multiply
    18,722.92x = 28,098.21 × 8,862.19
  4. Step 4: Simplify right side
    18,722.92x = 249,011,675.68
  5. Step 5: Solve for x
    x = 249,011,675.68/18,722.92
  6. Step 6: Final answer
    x = 13,299.83

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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.