Home / 13,352.34-20,028.28-5,453.12

Finding the Fourth Proportional to 13,352.34, 20,028.28 and 5,453.12

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Solution

The fourth proportional to 13,352.34, 20,028.28 and 5,453.12 is: 8,179.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.34 : 20,028.28 = 5,453.12 : x
  2. Step 2: Convert to fraction form
    13,352.34/20,028.28 = 5,453.12/x
  3. Step 3: Cross multiply
    13,352.34x = 20,028.28 × 5,453.12
  4. Step 4: Simplify right side
    13,352.34x = 109,216,614.23
  5. Step 5: Solve for x
    x = 109,216,614.23/13,352.34
  6. Step 6: Final answer
    x = 8,179.59

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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.