Home / 10,013.24-15,009.42-4,469.18

Finding the Fourth Proportional to 10,013.24, 15,009.42 and 4,469.18

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Solution

The fourth proportional to 10,013.24, 15,009.42 and 4,469.18 is: 6,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.24 : 15,009.42 = 4,469.18 : x
  2. Step 2: Convert to fraction form
    10,013.24/15,009.42 = 4,469.18/x
  3. Step 3: Cross multiply
    10,013.24x = 15,009.42 × 4,469.18
  4. Step 4: Simplify right side
    10,013.24x = 67,079,799.68
  5. Step 5: Solve for x
    x = 67,079,799.68/10,013.24
  6. Step 6: Final answer
    x = 6,699.11

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1.5x scale

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.