Home / 12,627.20-18,940.89-5,605.32

Finding the Fourth Proportional to 12,627.20, 18,940.89 and 5,605.32

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Solution

The fourth proportional to 12,627.20, 18,940.89 and 5,605.32 is: 8,408.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.20 : 18,940.89 = 5,605.32 : x
  2. Step 2: Convert to fraction form
    12,627.20/18,940.89 = 5,605.32/x
  3. Step 3: Cross multiply
    12,627.20x = 18,940.89 × 5,605.32
  4. Step 4: Simplify right side
    12,627.20x = 106,169,841.58
  5. Step 5: Solve for x
    x = 106,169,841.58/12,627.20
  6. Step 6: Final answer
    x = 8,408.03

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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.