Home / 10,282.32-14,177.16-8,156.88

Finding the Fourth Proportional to 10,282.32, 14,177.16 and 8,156.88

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Solution

The fourth proportional to 10,282.32, 14,177.16 and 8,156.88 is: 11,246.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.32 : 14,177.16 = 8,156.88 : x
  2. Step 2: Convert to fraction form
    10,282.32/14,177.16 = 8,156.88/x
  3. Step 3: Cross multiply
    10,282.32x = 14,177.16 × 8,156.88
  4. Step 4: Simplify right side
    10,282.32x = 115,641,392.86
  5. Step 5: Solve for x
    x = 115,641,392.86/10,282.32
  6. Step 6: Final answer
    x = 11,246.62

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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.