Home / 13,434.88-20,150.04-3,575.20

Finding the Fourth Proportional to 13,434.88, 20,150.04 and 3,575.20

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Solution

The fourth proportional to 13,434.88, 20,150.04 and 3,575.20 is: 5,362.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.88 : 20,150.04 = 3,575.20 : x
  2. Step 2: Convert to fraction form
    13,434.88/20,150.04 = 3,575.20/x
  3. Step 3: Cross multiply
    13,434.88x = 20,150.04 × 3,575.20
  4. Step 4: Simplify right side
    13,434.88x = 72,040,423.01
  5. Step 5: Solve for x
    x = 72,040,423.01/13,434.88
  6. Step 6: Final answer
    x = 5,362.19

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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.