Home / 10,233.60-15,348.30-2,836.20

Finding the Fourth Proportional to 10,233.60, 15,348.30 and 2,836.20

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Solution

The fourth proportional to 10,233.60, 15,348.30 and 2,836.20 is: 4,253.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,233.60 : 15,348.30 = 2,836.20 : x
  2. Step 2: Convert to fraction form
    10,233.60/15,348.30 = 2,836.20/x
  3. Step 3: Cross multiply
    10,233.60x = 15,348.30 × 2,836.20
  4. Step 4: Simplify right side
    10,233.60x = 43,530,848.46
  5. Step 5: Solve for x
    x = 43,530,848.46/10,233.60
  6. Step 6: Final answer
    x = 4,253.72

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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.