Home / 10,378.07-15,567.09-3,452.57

Finding the Fourth Proportional to 10,378.07, 15,567.09 and 3,452.57

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Solution

The fourth proportional to 10,378.07, 15,567.09 and 3,452.57 is: 5,178.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.07 : 15,567.09 = 3,452.57 : x
  2. Step 2: Convert to fraction form
    10,378.07/15,567.09 = 3,452.57/x
  3. Step 3: Cross multiply
    10,378.07x = 15,567.09 × 3,452.57
  4. Step 4: Simplify right side
    10,378.07x = 53,746,467.92
  5. Step 5: Solve for x
    x = 53,746,467.92/10,378.07
  6. Step 6: Final answer
    x = 5,178.85

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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.