Home / 9,991.43-14,961.52-9,695.80

Finding the Fourth Proportional to 9,991.43, 14,961.52 and 9,695.80

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Solution

The fourth proportional to 9,991.43, 14,961.52 and 9,695.80 is: 14,518.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991.43 : 14,961.52 = 9,695.80 : x
  2. Step 2: Convert to fraction form
    9,991.43/14,961.52 = 9,695.80/x
  3. Step 3: Cross multiply
    9,991.43x = 14,961.52 × 9,695.80
  4. Step 4: Simplify right side
    9,991.43x = 145,063,905.62
  5. Step 5: Solve for x
    x = 145,063,905.62/9,991.43
  6. Step 6: Final answer
    x = 14,518.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.