Home / 9,902.31-14,853.53-2,405.85

Finding the Fourth Proportional to 9,902.31, 14,853.53 and 2,405.85

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Solution

The fourth proportional to 9,902.31, 14,853.53 and 2,405.85 is: 3,608.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,902.31 : 14,853.53 = 2,405.85 : x
  2. Step 2: Convert to fraction form
    9,902.31/14,853.53 = 2,405.85/x
  3. Step 3: Cross multiply
    9,902.31x = 14,853.53 × 2,405.85
  4. Step 4: Simplify right side
    9,902.31x = 35,735,365.15
  5. Step 5: Solve for x
    x = 35,735,365.15/9,902.31
  6. Step 6: Final answer
    x = 3,608.79

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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.