Home / 13,591.36-20,387.06-3,730.24

Finding the Fourth Proportional to 13,591.36, 20,387.06 and 3,730.24

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Solution

The fourth proportional to 13,591.36, 20,387.06 and 3,730.24 is: 5,595.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591.36 : 20,387.06 = 3,730.24 : x
  2. Step 2: Convert to fraction form
    13,591.36/20,387.06 = 3,730.24/x
  3. Step 3: Cross multiply
    13,591.36x = 20,387.06 × 3,730.24
  4. Step 4: Simplify right side
    13,591.36x = 76,048,626.69
  5. Step 5: Solve for x
    x = 76,048,626.69/13,591.36
  6. Step 6: Final answer
    x = 5,595.37

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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.