Home / 11,445.23-15,793.52-6,408.28

Finding the Fourth Proportional to 11,445.23, 15,793.52 and 6,408.28

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Solution

The fourth proportional to 11,445.23, 15,793.52 and 6,408.28 is: 8,842.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.23 : 15,793.52 = 6,408.28 : x
  2. Step 2: Convert to fraction form
    11,445.23/15,793.52 = 6,408.28/x
  3. Step 3: Cross multiply
    11,445.23x = 15,793.52 × 6,408.28
  4. Step 4: Simplify right side
    11,445.23x = 101,209,286.05
  5. Step 5: Solve for x
    x = 101,209,286.05/11,445.23
  6. Step 6: Final answer
    x = 8,842.92

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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.