Home / 20,514.06-28,307.31-11,562.96

Finding the Fourth Proportional to 20,514.06, 28,307.31 and 11,562.96

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Solution

The fourth proportional to 20,514.06, 28,307.31 and 11,562.96 is: 15,955.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514.06 : 28,307.31 = 11,562.96 : x
  2. Step 2: Convert to fraction form
    20,514.06/28,307.31 = 11,562.96/x
  3. Step 3: Cross multiply
    20,514.06x = 28,307.31 × 11,562.96
  4. Step 4: Simplify right side
    20,514.06x = 327,316,293.24
  5. Step 5: Solve for x
    x = 327,316,293.24/20,514.06
  6. Step 6: Final answer
    x = 15,955.71

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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.