Home / 9,930.80-13,704.65-5,454.96

Finding the Fourth Proportional to 9,930.80, 13,704.65 and 5,454.96

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Solution

The fourth proportional to 9,930.80, 13,704.65 and 5,454.96 is: 7,527.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.80 : 13,704.65 = 5,454.96 : x
  2. Step 2: Convert to fraction form
    9,930.80/13,704.65 = 5,454.96/x
  3. Step 3: Cross multiply
    9,930.80x = 13,704.65 × 5,454.96
  4. Step 4: Simplify right side
    9,930.80x = 74,758,290.29
  5. Step 5: Solve for x
    x = 74,758,290.29/9,930.80
  6. Step 6: Final answer
    x = 7,527.93

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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.