Home / 9,969.60-14,958.45-4,126.80

Finding the Fourth Proportional to 9,969.60, 14,958.45 and 4,126.80

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Solution

The fourth proportional to 9,969.60, 14,958.45 and 4,126.80 is: 6,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969.60 : 14,958.45 = 4,126.80 : x
  2. Step 2: Convert to fraction form
    9,969.60/14,958.45 = 4,126.80/x
  3. Step 3: Cross multiply
    9,969.60x = 14,958.45 × 4,126.80
  4. Step 4: Simplify right side
    9,969.60x = 61,730,531.46
  5. Step 5: Solve for x
    x = 61,730,531.46/9,969.60
  6. Step 6: Final answer
    x = 6,191.88

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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.