Home / 15,308.40-22,930.20-12,003.60

Finding the Fourth Proportional to 15,308.40, 22,930.20 and 12,003.60

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Solution

The fourth proportional to 15,308.40, 22,930.20 and 12,003.60 is: 17,979.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,308.40 : 22,930.20 = 12,003.60 : x
  2. Step 2: Convert to fraction form
    15,308.40/22,930.20 = 12,003.60/x
  3. Step 3: Cross multiply
    15,308.40x = 22,930.20 × 12,003.60
  4. Step 4: Simplify right side
    15,308.40x = 275,244,948.72
  5. Step 5: Solve for x
    x = 275,244,948.72/15,308.40
  6. Step 6: Final answer
    x = 17,979.99

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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.