Home / 23,149.69-31,944.91-13,589.97

Finding the Fourth Proportional to 23,149.69, 31,944.91 and 13,589.97

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Solution

The fourth proportional to 23,149.69, 31,944.91 and 13,589.97 is: 18,753.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,149.69 : 31,944.91 = 13,589.97 : x
  2. Step 2: Convert to fraction form
    23,149.69/31,944.91 = 13,589.97/x
  3. Step 3: Cross multiply
    23,149.69x = 31,944.91 × 13,589.97
  4. Step 4: Simplify right side
    23,149.69x = 434,130,208.83
  5. Step 5: Solve for x
    x = 434,130,208.83/23,149.69
  6. Step 6: Final answer
    x = 18,753.18

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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.