Home / 10,104.66-15,156.45-3,530.70

Finding the Fourth Proportional to 10,104.66, 15,156.45 and 3,530.70

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Solution

The fourth proportional to 10,104.66, 15,156.45 and 3,530.70 is: 5,295.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.66 : 15,156.45 = 3,530.70 : x
  2. Step 2: Convert to fraction form
    10,104.66/15,156.45 = 3,530.70/x
  3. Step 3: Cross multiply
    10,104.66x = 15,156.45 × 3,530.70
  4. Step 4: Simplify right side
    10,104.66x = 53,512,878.02
  5. Step 5: Solve for x
    x = 53,512,878.02/10,104.66
  6. Step 6: Final answer
    x = 5,295.86

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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.