Home / 10,480.15-15,722.17-3,460.65

Finding the Fourth Proportional to 10,480.15, 15,722.17 and 3,460.65

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Solution

The fourth proportional to 10,480.15, 15,722.17 and 3,460.65 is: 5,191.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.15 : 15,722.17 = 3,460.65 : x
  2. Step 2: Convert to fraction form
    10,480.15/15,722.17 = 3,460.65/x
  3. Step 3: Cross multiply
    10,480.15x = 15,722.17 × 3,460.65
  4. Step 4: Simplify right side
    10,480.15x = 54,408,927.61
  5. Step 5: Solve for x
    x = 54,408,927.61/10,480.15
  6. Step 6: Final answer
    x = 5,191.62

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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.