Home / 16,739.24-23,115.76-10,781.28

Finding the Fourth Proportional to 16,739.24, 23,115.76 and 10,781.28

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Solution

The fourth proportional to 16,739.24, 23,115.76 and 10,781.28 is: 14,888.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,739.24 : 23,115.76 = 10,781.28 : x
  2. Step 2: Convert to fraction form
    16,739.24/23,115.76 = 10,781.28/x
  3. Step 3: Cross multiply
    16,739.24x = 23,115.76 × 10,781.28
  4. Step 4: Simplify right side
    16,739.24x = 249,217,480.97
  5. Step 5: Solve for x
    x = 249,217,480.97/16,739.24
  6. Step 6: Final answer
    x = 14,888.22

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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.