Home / 10,178.88-15,269.28-3,604.16

Finding the Fourth Proportional to 10,178.88, 15,269.28 and 3,604.16

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Solution

The fourth proportional to 10,178.88, 15,269.28 and 3,604.16 is: 5,406.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178.88 : 15,269.28 = 3,604.16 : x
  2. Step 2: Convert to fraction form
    10,178.88/15,269.28 = 3,604.16/x
  3. Step 3: Cross multiply
    10,178.88x = 15,269.28 × 3,604.16
  4. Step 4: Simplify right side
    10,178.88x = 55,032,928.20
  5. Step 5: Solve for x
    x = 55,032,928.20/10,178.88
  6. Step 6: Final answer
    x = 5,406.58

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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.