Home / 14,864.14-20,512.50-8,149.62

Finding the Fourth Proportional to 14,864.14, 20,512.50 and 8,149.62

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Solution

The fourth proportional to 14,864.14, 20,512.50 and 8,149.62 is: 11,246.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,864.14 : 20,512.50 = 8,149.62 : x
  2. Step 2: Convert to fraction form
    14,864.14/20,512.50 = 8,149.62/x
  3. Step 3: Cross multiply
    14,864.14x = 20,512.50 × 8,149.62
  4. Step 4: Simplify right side
    14,864.14x = 167,169,080.25
  5. Step 5: Solve for x
    x = 167,169,080.25/14,864.14
  6. Step 6: Final answer
    x = 11,246.47

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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.