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Finding the Fourth Proportional to 11,655.65, 17,489.88 and 5,499.49

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Solution

The fourth proportional to 11,655.65, 17,489.88 and 5,499.49 is: 8,252.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.65 : 17,489.88 = 5,499.49 : x
  2. Step 2: Convert to fraction form
    11,655.65/17,489.88 = 5,499.49/x
  3. Step 3: Cross multiply
    11,655.65x = 17,489.88 × 5,499.49
  4. Step 4: Simplify right side
    11,655.65x = 96,185,392.66
  5. Step 5: Solve for x
    x = 96,185,392.66/11,655.65
  6. Step 6: Final answer
    x = 8,252.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.