Home / 12,248.20-18,393.90-9,481.60

Finding the Fourth Proportional to 12,248.20, 18,393.90 and 9,481.60

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Solution

The fourth proportional to 12,248.20, 18,393.90 and 9,481.60 is: 14,239.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.20 : 18,393.90 = 9,481.60 : x
  2. Step 2: Convert to fraction form
    12,248.20/18,393.90 = 9,481.60/x
  3. Step 3: Cross multiply
    12,248.20x = 18,393.90 × 9,481.60
  4. Step 4: Simplify right side
    12,248.20x = 174,403,602.24
  5. Step 5: Solve for x
    x = 174,403,602.24/12,248.20
  6. Step 6: Final answer
    x = 14,239.12

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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.