Home / 15,280.28-22,816.96-12,124.86

Finding the Fourth Proportional to 15,280.28, 22,816.96 and 12,124.86

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Solution

The fourth proportional to 15,280.28, 22,816.96 and 12,124.86 is: 18,105.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280.28 : 22,816.96 = 12,124.86 : x
  2. Step 2: Convert to fraction form
    15,280.28/22,816.96 = 12,124.86/x
  3. Step 3: Cross multiply
    15,280.28x = 22,816.96 × 12,124.86
  4. Step 4: Simplify right side
    15,280.28x = 276,652,329.75
  5. Step 5: Solve for x
    x = 276,652,329.75/15,280.28
  6. Step 6: Final answer
    x = 18,105.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.