Home / 10,166.40-15,244.29-3,591.63

Finding the Fourth Proportional to 10,166.40, 15,244.29 and 3,591.63

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Solution

The fourth proportional to 10,166.40, 15,244.29 and 3,591.63 is: 5,385.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.40 : 15,244.29 = 3,591.63 : x
  2. Step 2: Convert to fraction form
    10,166.40/15,244.29 = 3,591.63/x
  3. Step 3: Cross multiply
    10,166.40x = 15,244.29 × 3,591.63
  4. Step 4: Simplify right side
    10,166.40x = 54,751,849.29
  5. Step 5: Solve for x
    x = 54,751,849.29/10,166.40
  6. Step 6: Final answer
    x = 5,385.57

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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.