Home / 15,517.78-23,275.05-4,423.75

Finding the Fourth Proportional to 15,517.78, 23,275.05 and 4,423.75

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Solution

The fourth proportional to 15,517.78, 23,275.05 and 4,423.75 is: 6,635.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.78 : 23,275.05 = 4,423.75 : x
  2. Step 2: Convert to fraction form
    15,517.78/23,275.05 = 4,423.75/x
  3. Step 3: Cross multiply
    15,517.78x = 23,275.05 × 4,423.75
  4. Step 4: Simplify right side
    15,517.78x = 102,963,002.44
  5. Step 5: Solve for x
    x = 102,963,002.44/15,517.78
  6. Step 6: Final answer
    x = 6,635.16

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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.