Home / 10,179.72-15,265.14-3,603.72

Finding the Fourth Proportional to 10,179.72, 15,265.14 and 3,603.72

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Solution

The fourth proportional to 10,179.72, 15,265.14 and 3,603.72 is: 5,404.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179.72 : 15,265.14 = 3,603.72 : x
  2. Step 2: Convert to fraction form
    10,179.72/15,265.14 = 3,603.72/x
  3. Step 3: Cross multiply
    10,179.72x = 15,265.14 × 3,603.72
  4. Step 4: Simplify right side
    10,179.72x = 55,011,290.32
  5. Step 5: Solve for x
    x = 55,011,290.32/10,179.72
  6. Step 6: Final answer
    x = 5,404.01

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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.