Home / 10,902.08-15,043.05-6,425.22

Finding the Fourth Proportional to 10,902.08, 15,043.05 and 6,425.22

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Solution

The fourth proportional to 10,902.08, 15,043.05 and 6,425.22 is: 8,865.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902.08 : 15,043.05 = 6,425.22 : x
  2. Step 2: Convert to fraction form
    10,902.08/15,043.05 = 6,425.22/x
  3. Step 3: Cross multiply
    10,902.08x = 15,043.05 × 6,425.22
  4. Step 4: Simplify right side
    10,902.08x = 96,654,905.72
  5. Step 5: Solve for x
    x = 96,654,905.72/10,902.08
  6. Step 6: Final answer
    x = 8,865.73

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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.