Home / 18,414.72-27,618.10-5,263.56

Finding the Fourth Proportional to 18,414.72, 27,618.10 and 5,263.56

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Solution

The fourth proportional to 18,414.72, 27,618.10 and 5,263.56 is: 7,894.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.72 : 27,618.10 = 5,263.56 : x
  2. Step 2: Convert to fraction form
    18,414.72/27,618.10 = 5,263.56/x
  3. Step 3: Cross multiply
    18,414.72x = 27,618.10 × 5,263.56
  4. Step 4: Simplify right side
    18,414.72x = 145,369,526.44
  5. Step 5: Solve for x
    x = 145,369,526.44/18,414.72
  6. Step 6: Final answer
    x = 7,894.20

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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.