Home / 14,800.86-20,425.63-8,086.80

Finding the Fourth Proportional to 14,800.86, 20,425.63 and 8,086.80

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Solution

The fourth proportional to 14,800.86, 20,425.63 and 8,086.80 is: 11,160.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,800.86 : 20,425.63 = 8,086.80 : x
  2. Step 2: Convert to fraction form
    14,800.86/20,425.63 = 8,086.80/x
  3. Step 3: Cross multiply
    14,800.86x = 20,425.63 × 8,086.80
  4. Step 4: Simplify right side
    14,800.86x = 165,177,964.47
  5. Step 5: Solve for x
    x = 165,177,964.47/14,800.86
  6. Step 6: Final answer
    x = 11,160.02

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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.