Home / 10,641.18-15,964.65-3,716.22

Finding the Fourth Proportional to 10,641.18, 15,964.65 and 3,716.22

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Solution

The fourth proportional to 10,641.18, 15,964.65 and 3,716.22 is: 5,575.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641.18 : 15,964.65 = 3,716.22 : x
  2. Step 2: Convert to fraction form
    10,641.18/15,964.65 = 3,716.22/x
  3. Step 3: Cross multiply
    10,641.18x = 15,964.65 × 3,716.22
  4. Step 4: Simplify right side
    10,641.18x = 59,328,151.62
  5. Step 5: Solve for x
    x = 59,328,151.62/10,641.18
  6. Step 6: Final answer
    x = 5,575.34

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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.