Home / 15,280.42-22,915.83-5,919.79

Finding the Fourth Proportional to 15,280.42, 22,915.83 and 5,919.79

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Solution

The fourth proportional to 15,280.42, 22,915.83 and 5,919.79 is: 8,877.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280.42 : 22,915.83 = 5,919.79 : x
  2. Step 2: Convert to fraction form
    15,280.42/22,915.83 = 5,919.79/x
  3. Step 3: Cross multiply
    15,280.42x = 22,915.83 × 5,919.79
  4. Step 4: Simplify right side
    15,280.42x = 135,656,901.28
  5. Step 5: Solve for x
    x = 135,656,901.28/15,280.42
  6. Step 6: Final answer
    x = 8,877.83

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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.