Home / 12,287.25-16,951.15-8,030.92

Finding the Fourth Proportional to 12,287.25, 16,951.15 and 8,030.92

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Solution

The fourth proportional to 12,287.25, 16,951.15 and 8,030.92 is: 11,079.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287.25 : 16,951.15 = 8,030.92 : x
  2. Step 2: Convert to fraction form
    12,287.25/16,951.15 = 8,030.92/x
  3. Step 3: Cross multiply
    12,287.25x = 16,951.15 × 8,030.92
  4. Step 4: Simplify right side
    12,287.25x = 136,133,329.56
  5. Step 5: Solve for x
    x = 136,133,329.56/12,287.25
  6. Step 6: Final answer
    x = 11,079.23

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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.