Home / 10,174.50-15,331.08-8,366.13

Finding the Fourth Proportional to 10,174.50, 15,331.08 and 8,366.13

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Solution

The fourth proportional to 10,174.50, 15,331.08 and 8,366.13 is: 12,606.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,174.50 : 15,331.08 = 8,366.13 : x
  2. Step 2: Convert to fraction form
    10,174.50/15,331.08 = 8,366.13/x
  3. Step 3: Cross multiply
    10,174.50x = 15,331.08 × 8,366.13
  4. Step 4: Simplify right side
    10,174.50x = 128,261,731.67
  5. Step 5: Solve for x
    x = 128,261,731.67/10,174.50
  6. Step 6: Final answer
    x = 12,606.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.