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Finding the Fourth Proportional to 12,026.28, 16,595.96 and 6,721.14

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Solution

The fourth proportional to 12,026.28, 16,595.96 and 6,721.14 is: 9,275.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026.28 : 16,595.96 = 6,721.14 : x
  2. Step 2: Convert to fraction form
    12,026.28/16,595.96 = 6,721.14/x
  3. Step 3: Cross multiply
    12,026.28x = 16,595.96 × 6,721.14
  4. Step 4: Simplify right side
    12,026.28x = 111,543,770.59
  5. Step 5: Solve for x
    x = 111,543,770.59/12,026.28
  6. Step 6: Final answer
    x = 9,275.00

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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.