Home / 10,010.80-15,016.50-3,436.89

Finding the Fourth Proportional to 10,010.80, 15,016.50 and 3,436.89

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Solution

The fourth proportional to 10,010.80, 15,016.50 and 3,436.89 is: 5,155.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.80 : 15,016.50 = 3,436.89 : x
  2. Step 2: Convert to fraction form
    10,010.80/15,016.50 = 3,436.89/x
  3. Step 3: Cross multiply
    10,010.80x = 15,016.50 × 3,436.89
  4. Step 4: Simplify right side
    10,010.80x = 51,610,058.69
  5. Step 5: Solve for x
    x = 51,610,058.69/10,010.80
  6. Step 6: Final answer
    x = 5,155.44

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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.