Home / 13,741.92-20,609.40-5,306.72

Finding the Fourth Proportional to 13,741.92, 20,609.40 and 5,306.72

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Solution

The fourth proportional to 13,741.92, 20,609.40 and 5,306.72 is: 7,958.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.92 : 20,609.40 = 5,306.72 : x
  2. Step 2: Convert to fraction form
    13,741.92/20,609.40 = 5,306.72/x
  3. Step 3: Cross multiply
    13,741.92x = 20,609.40 × 5,306.72
  4. Step 4: Simplify right side
    13,741.92x = 109,368,315.17
  5. Step 5: Solve for x
    x = 109,368,315.17/13,741.92
  6. Step 6: Final answer
    x = 7,958.74

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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.