Home / 12,331.68-17,045.28-9,216.96

Finding the Fourth Proportional to 12,331.68, 17,045.28 and 9,216.96

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Solution

The fourth proportional to 12,331.68, 17,045.28 and 9,216.96 is: 12,740.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.68 : 17,045.28 = 9,216.96 : x
  2. Step 2: Convert to fraction form
    12,331.68/17,045.28 = 9,216.96/x
  3. Step 3: Cross multiply
    12,331.68x = 17,045.28 × 9,216.96
  4. Step 4: Simplify right side
    12,331.68x = 157,105,663.95
  5. Step 5: Solve for x
    x = 157,105,663.95/12,331.68
  6. Step 6: Final answer
    x = 12,740.00

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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.