Home / 16,781.04-25,285.23-13,923.36

Finding the Fourth Proportional to 16,781.04, 25,285.23 and 13,923.36

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Solution

The fourth proportional to 16,781.04, 25,285.23 and 13,923.36 is: 20,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.04 : 25,285.23 = 13,923.36 : x
  2. Step 2: Convert to fraction form
    16,781.04/25,285.23 = 13,923.36/x
  3. Step 3: Cross multiply
    16,781.04x = 25,285.23 × 13,923.36
  4. Step 4: Simplify right side
    16,781.04x = 352,055,359.97
  5. Step 5: Solve for x
    x = 352,055,359.97/16,781.04
  6. Step 6: Final answer
    x = 20,979.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.