Home / 12,612.28-18,917.10-5,592.42

Finding the Fourth Proportional to 12,612.28, 18,917.10 and 5,592.42

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Solution

The fourth proportional to 12,612.28, 18,917.10 and 5,592.42 is: 8,388.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612.28 : 18,917.10 = 5,592.42 : x
  2. Step 2: Convert to fraction form
    12,612.28/18,917.10 = 5,592.42/x
  3. Step 3: Cross multiply
    12,612.28x = 18,917.10 × 5,592.42
  4. Step 4: Simplify right side
    12,612.28x = 105,792,368.38
  5. Step 5: Solve for x
    x = 105,792,368.38/12,612.28
  6. Step 6: Final answer
    x = 8,388.04

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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.