Home / 15,301.20-22,951.80-12,822.60

Finding the Fourth Proportional to 15,301.20, 22,951.80 and 12,822.60

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Solution

The fourth proportional to 15,301.20, 22,951.80 and 12,822.60 is: 19,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,301.20 : 22,951.80 = 12,822.60 : x
  2. Step 2: Convert to fraction form
    15,301.20/22,951.80 = 12,822.60/x
  3. Step 3: Cross multiply
    15,301.20x = 22,951.80 × 12,822.60
  4. Step 4: Simplify right side
    15,301.20x = 294,301,750.68
  5. Step 5: Solve for x
    x = 294,301,750.68/15,301.20
  6. Step 6: Final answer
    x = 19,233.90

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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.