Home / 14,129.97-19,499.49-8,827.86

Finding the Fourth Proportional to 14,129.97, 19,499.49 and 8,827.86

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Solution

The fourth proportional to 14,129.97, 19,499.49 and 8,827.86 is: 12,182.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.97 : 19,499.49 = 8,827.86 : x
  2. Step 2: Convert to fraction form
    14,129.97/19,499.49 = 8,827.86/x
  3. Step 3: Cross multiply
    14,129.97x = 19,499.49 × 8,827.86
  4. Step 4: Simplify right side
    14,129.97x = 172,138,767.79
  5. Step 5: Solve for x
    x = 172,138,767.79/14,129.97
  6. Step 6: Final answer
    x = 12,182.53

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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.