Home / 13,726.60-20,591.34-4,490.44

Finding the Fourth Proportional to 13,726.60, 20,591.34 and 4,490.44

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Solution

The fourth proportional to 13,726.60, 20,591.34 and 4,490.44 is: 6,736.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.60 : 20,591.34 = 4,490.44 : x
  2. Step 2: Convert to fraction form
    13,726.60/20,591.34 = 4,490.44/x
  3. Step 3: Cross multiply
    13,726.60x = 20,591.34 × 4,490.44
  4. Step 4: Simplify right side
    13,726.60x = 92,464,176.79
  5. Step 5: Solve for x
    x = 92,464,176.79/13,726.60
  6. Step 6: Final answer
    x = 6,736.13

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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.