Home / 10,176.25-15,265.90-3,602.50

Finding the Fourth Proportional to 10,176.25, 15,265.90 and 3,602.50

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Solution

The fourth proportional to 10,176.25, 15,265.90 and 3,602.50 is: 5,404.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.25 : 15,265.90 = 3,602.50 : x
  2. Step 2: Convert to fraction form
    10,176.25/15,265.90 = 3,602.50/x
  3. Step 3: Cross multiply
    10,176.25x = 15,265.90 × 3,602.50
  4. Step 4: Simplify right side
    10,176.25x = 54,995,404.75
  5. Step 5: Solve for x
    x = 54,995,404.75/10,176.25
  6. Step 6: Final answer
    x = 5,404.29

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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.