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Finding the Fourth Proportional to 9,959.59, 14,939.39 and 4,109.77

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Solution

The fourth proportional to 9,959.59, 14,939.39 and 4,109.77 is: 6,164.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,959.59 : 14,939.39 = 4,109.77 : x
  2. Step 2: Convert to fraction form
    9,959.59/14,939.39 = 4,109.77/x
  3. Step 3: Cross multiply
    9,959.59x = 14,939.39 × 4,109.77
  4. Step 4: Simplify right side
    9,959.59x = 61,397,456.84
  5. Step 5: Solve for x
    x = 61,397,456.84/9,959.59
  6. Step 6: Final answer
    x = 6,164.66

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Similar ratio
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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.