Home / 16,243.79-22,416.42-9,170.66

Finding the Fourth Proportional to 16,243.79, 22,416.42 and 9,170.66

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Solution

The fourth proportional to 16,243.79, 22,416.42 and 9,170.66 is: 12,655.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,243.79 : 22,416.42 = 9,170.66 : x
  2. Step 2: Convert to fraction form
    16,243.79/22,416.42 = 9,170.66/x
  3. Step 3: Cross multiply
    16,243.79x = 22,416.42 × 9,170.66
  4. Step 4: Simplify right side
    16,243.79x = 205,573,422.28
  5. Step 5: Solve for x
    x = 205,573,422.28/16,243.79
  6. Step 6: Final answer
    x = 12,655.51

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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.