Home / 16,243.97-22,416.50-9,170.69

Finding the Fourth Proportional to 16,243.97, 22,416.50 and 9,170.69

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Solution

The fourth proportional to 16,243.97, 22,416.50 and 9,170.69 is: 12,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,243.97 : 22,416.50 = 9,170.69 : x
  2. Step 2: Convert to fraction form
    16,243.97/22,416.50 = 9,170.69/x
  3. Step 3: Cross multiply
    16,243.97x = 22,416.50 × 9,170.69
  4. Step 4: Simplify right side
    16,243.97x = 205,574,614.45
  5. Step 5: Solve for x
    x = 205,574,614.45/16,243.97
  6. Step 6: Final answer
    x = 12,655.45

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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.