Home / 15,167.68-22,751.58-8,285.92

Finding the Fourth Proportional to 15,167.68, 22,751.58 and 8,285.92

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Solution

The fourth proportional to 15,167.68, 22,751.58 and 8,285.92 is: 12,428.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,167.68 : 22,751.58 = 8,285.92 : x
  2. Step 2: Convert to fraction form
    15,167.68/22,751.58 = 8,285.92/x
  3. Step 3: Cross multiply
    15,167.68x = 22,751.58 × 8,285.92
  4. Step 4: Simplify right side
    15,167.68x = 188,517,771.75
  5. Step 5: Solve for x
    x = 188,517,771.75/15,167.68
  6. Step 6: Final answer
    x = 12,428.91

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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.