Home / 16,938.38-23,385.93-10,891.33

Finding the Fourth Proportional to 16,938.38, 23,385.93 and 10,891.33

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Solution

The fourth proportional to 16,938.38, 23,385.93 and 10,891.33 is: 15,037.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.38 : 23,385.93 = 10,891.33 : x
  2. Step 2: Convert to fraction form
    16,938.38/23,385.93 = 10,891.33/x
  3. Step 3: Cross multiply
    16,938.38x = 23,385.93 × 10,891.33
  4. Step 4: Simplify right side
    16,938.38x = 254,703,943.86
  5. Step 5: Solve for x
    x = 254,703,943.86/16,938.38
  6. Step 6: Final answer
    x = 15,037.09

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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.