Home / 16,891.40-23,309.22-9,337.28

Finding the Fourth Proportional to 16,891.40, 23,309.22 and 9,337.28

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Solution

The fourth proportional to 16,891.40, 23,309.22 and 9,337.28 is: 12,884.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891.40 : 23,309.22 = 9,337.28 : x
  2. Step 2: Convert to fraction form
    16,891.40/23,309.22 = 9,337.28/x
  3. Step 3: Cross multiply
    16,891.40x = 23,309.22 × 9,337.28
  4. Step 4: Simplify right side
    16,891.40x = 217,644,713.72
  5. Step 5: Solve for x
    x = 217,644,713.72/16,891.40
  6. Step 6: Final answer
    x = 12,884.94

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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.