Home / 13,591.70-20,386.63-3,730.15

Finding the Fourth Proportional to 13,591.70, 20,386.63 and 3,730.15

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Solution

The fourth proportional to 13,591.70, 20,386.63 and 3,730.15 is: 5,594.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591.70 : 20,386.63 = 3,730.15 : x
  2. Step 2: Convert to fraction form
    13,591.70/20,386.63 = 3,730.15/x
  3. Step 3: Cross multiply
    13,591.70x = 20,386.63 × 3,730.15
  4. Step 4: Simplify right side
    13,591.70x = 76,045,067.31
  5. Step 5: Solve for x
    x = 76,045,067.31/13,591.70
  6. Step 6: Final answer
    x = 5,594.97

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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.