Home / 17,127.12-23,645.88-11,470.08

Finding the Fourth Proportional to 17,127.12, 23,645.88 and 11,470.08

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Solution

The fourth proportional to 17,127.12, 23,645.88 and 11,470.08 is: 15,835.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,127.12 : 23,645.88 = 11,470.08 : x
  2. Step 2: Convert to fraction form
    17,127.12/23,645.88 = 11,470.08/x
  3. Step 3: Cross multiply
    17,127.12x = 23,645.88 × 11,470.08
  4. Step 4: Simplify right side
    17,127.12x = 271,220,135.27
  5. Step 5: Solve for x
    x = 271,220,135.27/17,127.12
  6. Step 6: Final answer
    x = 15,835.71

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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.