Home / 15,209.07-22,811.87-4,115.10

Finding the Fourth Proportional to 15,209.07, 22,811.87 and 4,115.10

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Solution

The fourth proportional to 15,209.07, 22,811.87 and 4,115.10 is: 6,172.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,209.07 : 22,811.87 = 4,115.10 : x
  2. Step 2: Convert to fraction form
    15,209.07/22,811.87 = 4,115.10/x
  3. Step 3: Cross multiply
    15,209.07x = 22,811.87 × 4,115.10
  4. Step 4: Simplify right side
    15,209.07x = 93,873,105.66
  5. Step 5: Solve for x
    x = 93,873,105.66/15,209.07
  6. Step 6: Final answer
    x = 6,172.18

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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.