Home / 13,388.04-20,081.25-3,527.30

Finding the Fourth Proportional to 13,388.04, 20,081.25 and 3,527.30

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Solution

The fourth proportional to 13,388.04, 20,081.25 and 3,527.30 is: 5,290.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388.04 : 20,081.25 = 3,527.30 : x
  2. Step 2: Convert to fraction form
    13,388.04/20,081.25 = 3,527.30/x
  3. Step 3: Cross multiply
    13,388.04x = 20,081.25 × 3,527.30
  4. Step 4: Simplify right side
    13,388.04x = 70,832,643.33
  5. Step 5: Solve for x
    x = 70,832,643.33/13,388.04
  6. Step 6: Final answer
    x = 5,290.74

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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.