Home / 13,625.52-20,439.15-3,630.11

Finding the Fourth Proportional to 13,625.52, 20,439.15 and 3,630.11

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Solution

The fourth proportional to 13,625.52, 20,439.15 and 3,630.11 is: 5,445.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.52 : 20,439.15 = 3,630.11 : x
  2. Step 2: Convert to fraction form
    13,625.52/20,439.15 = 3,630.11/x
  3. Step 3: Cross multiply
    13,625.52x = 20,439.15 × 3,630.11
  4. Step 4: Simplify right side
    13,625.52x = 74,196,260.61
  5. Step 5: Solve for x
    x = 74,196,260.61/13,625.52
  6. Step 6: Final answer
    x = 5,445.39

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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.