Home / 9,451.80-14,177.10-3,211.80

Finding the Fourth Proportional to 9,451.80, 14,177.10 and 3,211.80

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Solution

The fourth proportional to 9,451.80, 14,177.10 and 3,211.80 is: 4,817.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,451.80 : 14,177.10 = 3,211.80 : x
  2. Step 2: Convert to fraction form
    9,451.80/14,177.10 = 3,211.80/x
  3. Step 3: Cross multiply
    9,451.80x = 14,177.10 × 3,211.80
  4. Step 4: Simplify right side
    9,451.80x = 45,534,009.78
  5. Step 5: Solve for x
    x = 45,534,009.78/9,451.80
  6. Step 6: Final answer
    x = 4,817.50

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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.