Home / 10,269.07-15,391.61-9,101.36

Finding the Fourth Proportional to 10,269.07, 15,391.61 and 9,101.36

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Solution

The fourth proportional to 10,269.07, 15,391.61 and 9,101.36 is: 13,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.07 : 15,391.61 = 9,101.36 : x
  2. Step 2: Convert to fraction form
    10,269.07/15,391.61 = 9,101.36/x
  3. Step 3: Cross multiply
    10,269.07x = 15,391.61 × 9,101.36
  4. Step 4: Simplify right side
    10,269.07x = 140,084,524.11
  5. Step 5: Solve for x
    x = 140,084,524.11/10,269.07
  6. Step 6: Final answer
    x = 13,641.40

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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.