Home / 12,234.90-18,352.35-4,442.70

Finding the Fourth Proportional to 12,234.90, 18,352.35 and 4,442.70

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Solution

The fourth proportional to 12,234.90, 18,352.35 and 4,442.70 is: 6,664.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.90 : 18,352.35 = 4,442.70 : x
  2. Step 2: Convert to fraction form
    12,234.90/18,352.35 = 4,442.70/x
  3. Step 3: Cross multiply
    12,234.90x = 18,352.35 × 4,442.70
  4. Step 4: Simplify right side
    12,234.90x = 81,533,985.35
  5. Step 5: Solve for x
    x = 81,533,985.35/12,234.90
  6. Step 6: Final answer
    x = 6,664.05

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Similar ratio
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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.