Home / 10,016.96-15,020.88-5,335.78

Finding the Fourth Proportional to 10,016.96, 15,020.88 and 5,335.78

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Solution

The fourth proportional to 10,016.96, 15,020.88 and 5,335.78 is: 8,001.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,016.96 : 15,020.88 = 5,335.78 : x
  2. Step 2: Convert to fraction form
    10,016.96/15,020.88 = 5,335.78/x
  3. Step 3: Cross multiply
    10,016.96x = 15,020.88 × 5,335.78
  4. Step 4: Simplify right side
    10,016.96x = 80,148,111.09
  5. Step 5: Solve for x
    x = 80,148,111.09/10,016.96
  6. Step 6: Final answer
    x = 8,001.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.