Home / 13,338.03-20,002.80-5,440.53

Finding the Fourth Proportional to 13,338.03, 20,002.80 and 5,440.53

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Solution

The fourth proportional to 13,338.03, 20,002.80 and 5,440.53 is: 8,159.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.03 : 20,002.80 = 5,440.53 : x
  2. Step 2: Convert to fraction form
    13,338.03/20,002.80 = 5,440.53/x
  3. Step 3: Cross multiply
    13,338.03x = 20,002.80 × 5,440.53
  4. Step 4: Simplify right side
    13,338.03x = 108,825,833.48
  5. Step 5: Solve for x
    x = 108,825,833.48/13,338.03
  6. Step 6: Final answer
    x = 8,159.06

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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.