Home / 15,280.20-22,901.16-8,259.96

Finding the Fourth Proportional to 15,280.20, 22,901.16 and 8,259.96

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Solution

The fourth proportional to 15,280.20, 22,901.16 and 8,259.96 is: 12,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280.20 : 22,901.16 = 8,259.96 : x
  2. Step 2: Convert to fraction form
    15,280.20/22,901.16 = 8,259.96/x
  3. Step 3: Cross multiply
    15,280.20x = 22,901.16 × 8,259.96
  4. Step 4: Simplify right side
    15,280.20x = 189,162,665.55
  5. Step 5: Solve for x
    x = 189,162,665.55/15,280.20
  6. Step 6: Final answer
    x = 12,379.59

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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.