Home / 13,374.12-20,061.80-3,514.40

Finding the Fourth Proportional to 13,374.12, 20,061.80 and 3,514.40

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Solution

The fourth proportional to 13,374.12, 20,061.80 and 3,514.40 is: 5,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.12 : 20,061.80 = 3,514.40 : x
  2. Step 2: Convert to fraction form
    13,374.12/20,061.80 = 3,514.40/x
  3. Step 3: Cross multiply
    13,374.12x = 20,061.80 × 3,514.40
  4. Step 4: Simplify right side
    13,374.12x = 70,505,189.92
  5. Step 5: Solve for x
    x = 70,505,189.92/13,374.12
  6. Step 6: Final answer
    x = 5,271.76

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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.