Home / 13,748.54-20,624.35-3,888.59

Finding the Fourth Proportional to 13,748.54, 20,624.35 and 3,888.59

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Solution

The fourth proportional to 13,748.54, 20,624.35 and 3,888.59 is: 5,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.54 : 20,624.35 = 3,888.59 : x
  2. Step 2: Convert to fraction form
    13,748.54/20,624.35 = 3,888.59/x
  3. Step 3: Cross multiply
    13,748.54x = 20,624.35 × 3,888.59
  4. Step 4: Simplify right side
    13,748.54x = 80,199,528.32
  5. Step 5: Solve for x
    x = 80,199,528.32/13,748.54
  6. Step 6: Final answer
    x = 5,833.31

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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.