Home / 11,499.52-15,869.44-6,654.72

Finding the Fourth Proportional to 11,499.52, 15,869.44 and 6,654.72

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Solution

The fourth proportional to 11,499.52, 15,869.44 and 6,654.72 is: 9,183.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,499.52 : 15,869.44 = 6,654.72 : x
  2. Step 2: Convert to fraction form
    11,499.52/15,869.44 = 6,654.72/x
  3. Step 3: Cross multiply
    11,499.52x = 15,869.44 × 6,654.72
  4. Step 4: Simplify right side
    11,499.52x = 105,606,679.76
  5. Step 5: Solve for x
    x = 105,606,679.76/11,499.52
  6. Step 6: Final answer
    x = 9,183.57

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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.