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Finding the Fourth Proportional to 16,886.73, 25,330.11 and 4,406.73

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Solution

The fourth proportional to 16,886.73, 25,330.11 and 4,406.73 is: 6,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.73 : 25,330.11 = 4,406.73 : x
  2. Step 2: Convert to fraction form
    16,886.73/25,330.11 = 4,406.73/x
  3. Step 3: Cross multiply
    16,886.73x = 25,330.11 × 4,406.73
  4. Step 4: Simplify right side
    16,886.73x = 111,622,955.64
  5. Step 5: Solve for x
    x = 111,622,955.64/16,886.73
  6. Step 6: Final answer
    x = 6,610.10

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Double scale
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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.