Home / 15,280.59-22,915.42-8,265.79

Finding the Fourth Proportional to 15,280.59, 22,915.42 and 8,265.79

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Solution

The fourth proportional to 15,280.59, 22,915.42 and 8,265.79 is: 12,395.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280.59 : 22,915.42 = 8,265.79 : x
  2. Step 2: Convert to fraction form
    15,280.59/22,915.42 = 8,265.79/x
  3. Step 3: Cross multiply
    15,280.59x = 22,915.42 × 8,265.79
  4. Step 4: Simplify right side
    15,280.59x = 189,413,971.53
  5. Step 5: Solve for x
    x = 189,413,971.53/15,280.59
  6. Step 6: Final answer
    x = 12,395.72

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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.