Home / 11,454.42-15,806.90-6,418.62

Finding the Fourth Proportional to 11,454.42, 15,806.90 and 6,418.62

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Solution

The fourth proportional to 11,454.42, 15,806.90 and 6,418.62 is: 8,857.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,454.42 : 15,806.90 = 6,418.62 : x
  2. Step 2: Convert to fraction form
    11,454.42/15,806.90 = 6,418.62/x
  3. Step 3: Cross multiply
    11,454.42x = 15,806.90 × 6,418.62
  4. Step 4: Simplify right side
    11,454.42x = 101,458,484.48
  5. Step 5: Solve for x
    x = 101,458,484.48/11,454.42
  6. Step 6: Final answer
    x = 8,857.58

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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.