Home / 11,408.40-17,115.15-4,013.10

Finding the Fourth Proportional to 11,408.40, 17,115.15 and 4,013.10

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Solution

The fourth proportional to 11,408.40, 17,115.15 and 4,013.10 is: 6,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.40 : 17,115.15 = 4,013.10 : x
  2. Step 2: Convert to fraction form
    11,408.40/17,115.15 = 4,013.10/x
  3. Step 3: Cross multiply
    11,408.40x = 17,115.15 × 4,013.10
  4. Step 4: Simplify right side
    11,408.40x = 68,684,808.47
  5. Step 5: Solve for x
    x = 68,684,808.47/11,408.40
  6. Step 6: Final answer
    x = 6,020.55

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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.