Home / 12,342.53-18,514.20-4,442.60

Finding the Fourth Proportional to 12,342.53, 18,514.20 and 4,442.60

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Solution

The fourth proportional to 12,342.53, 18,514.20 and 4,442.60 is: 6,664.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342.53 : 18,514.20 = 4,442.60 : x
  2. Step 2: Convert to fraction form
    12,342.53/18,514.20 = 4,442.60/x
  3. Step 3: Cross multiply
    12,342.53x = 18,514.20 × 4,442.60
  4. Step 4: Simplify right side
    12,342.53x = 82,251,184.92
  5. Step 5: Solve for x
    x = 82,251,184.92/12,342.53
  6. Step 6: Final answer
    x = 6,664.05

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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.