Home / 11,169.34-15,418.93-6,452.71

Finding the Fourth Proportional to 11,169.34, 15,418.93 and 6,452.71

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Solution

The fourth proportional to 11,169.34, 15,418.93 and 6,452.71 is: 8,907.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169.34 : 15,418.93 = 6,452.71 : x
  2. Step 2: Convert to fraction form
    11,169.34/15,418.93 = 6,452.71/x
  3. Step 3: Cross multiply
    11,169.34x = 15,418.93 × 6,452.71
  4. Step 4: Simplify right side
    11,169.34x = 99,493,806.71
  5. Step 5: Solve for x
    x = 99,493,806.71/11,169.34
  6. Step 6: Final answer
    x = 8,907.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.