Home / 20,713.19-28,583.17-11,759.47

Finding the Fourth Proportional to 20,713.19, 28,583.17 and 11,759.47

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Solution

The fourth proportional to 20,713.19, 28,583.17 and 11,759.47 is: 16,227.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,713.19 : 28,583.17 = 11,759.47 : x
  2. Step 2: Convert to fraction form
    20,713.19/28,583.17 = 11,759.47/x
  3. Step 3: Cross multiply
    20,713.19x = 28,583.17 × 11,759.47
  4. Step 4: Simplify right side
    20,713.19x = 336,122,829.26
  5. Step 5: Solve for x
    x = 336,122,829.26/20,713.19
  6. Step 6: Final answer
    x = 16,227.48

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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.