Home / 11,433.56-15,778.40-6,654.69

Finding the Fourth Proportional to 11,433.56, 15,778.40 and 6,654.69

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Solution

The fourth proportional to 11,433.56, 15,778.40 and 6,654.69 is: 9,183.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,433.56 : 15,778.40 = 6,654.69 : x
  2. Step 2: Convert to fraction form
    11,433.56/15,778.40 = 6,654.69/x
  3. Step 3: Cross multiply
    11,433.56x = 15,778.40 × 6,654.69
  4. Step 4: Simplify right side
    11,433.56x = 105,000,327.42
  5. Step 5: Solve for x
    x = 105,000,327.42/11,433.56
  6. Step 6: Final answer
    x = 9,183.52

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Double scale
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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.