Home / 12,102.26-16,701.32-6,725.19

Finding the Fourth Proportional to 12,102.26, 16,701.32 and 6,725.19

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Solution

The fourth proportional to 12,102.26, 16,701.32 and 6,725.19 is: 9,280.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102.26 : 16,701.32 = 6,725.19 : x
  2. Step 2: Convert to fraction form
    12,102.26/16,701.32 = 6,725.19/x
  3. Step 3: Cross multiply
    12,102.26x = 16,701.32 × 6,725.19
  4. Step 4: Simplify right side
    12,102.26x = 112,319,535.75
  5. Step 5: Solve for x
    x = 112,319,535.75/12,102.26
  6. Step 6: Final answer
    x = 9,280.88

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Half scale
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Double scale
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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.