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Finding the Fourth Proportional to 12,852.28, 17,741.04 and 8,377.12

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Solution

The fourth proportional to 12,852.28, 17,741.04 and 8,377.12 is: 11,563.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852.28 : 17,741.04 = 8,377.12 : x
  2. Step 2: Convert to fraction form
    12,852.28/17,741.04 = 8,377.12/x
  3. Step 3: Cross multiply
    12,852.28x = 17,741.04 × 8,377.12
  4. Step 4: Simplify right side
    12,852.28x = 148,618,821.00
  5. Step 5: Solve for x
    x = 148,618,821.00/12,852.28
  6. Step 6: Final answer
    x = 11,563.62

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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.