Home / 13,414.95-18,516.24-8,376.12

Finding the Fourth Proportional to 13,414.95, 18,516.24 and 8,376.12

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Solution

The fourth proportional to 13,414.95, 18,516.24 and 8,376.12 is: 11,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.95 : 18,516.24 = 8,376.12 : x
  2. Step 2: Convert to fraction form
    13,414.95/18,516.24 = 8,376.12/x
  3. Step 3: Cross multiply
    13,414.95x = 18,516.24 × 8,376.12
  4. Step 4: Simplify right side
    13,414.95x = 155,094,248.19
  5. Step 5: Solve for x
    x = 155,094,248.19/13,414.95
  6. Step 6: Final answer
    x = 11,561.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.