Home / 10,378.13-15,567.19-3,452.63

Finding the Fourth Proportional to 10,378.13, 15,567.19 and 3,452.63

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Solution

The fourth proportional to 10,378.13, 15,567.19 and 3,452.63 is: 5,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.13 : 15,567.19 = 3,452.63 : x
  2. Step 2: Convert to fraction form
    10,378.13/15,567.19 = 3,452.63/x
  3. Step 3: Cross multiply
    10,378.13x = 15,567.19 × 3,452.63
  4. Step 4: Simplify right side
    10,378.13x = 53,747,660.74
  5. Step 5: Solve for x
    x = 53,747,660.74/10,378.13
  6. Step 6: Final answer
    x = 5,178.94

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1.5x scale

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.