Home / 13,742.33-20,612.36-4,381.97

Finding the Fourth Proportional to 13,742.33, 20,612.36 and 4,381.97

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Solution

The fourth proportional to 13,742.33, 20,612.36 and 4,381.97 is: 6,572.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742.33 : 20,612.36 = 4,381.97 : x
  2. Step 2: Convert to fraction form
    13,742.33/20,612.36 = 4,381.97/x
  3. Step 3: Cross multiply
    13,742.33x = 20,612.36 × 4,381.97
  4. Step 4: Simplify right side
    13,742.33x = 90,322,651.04
  5. Step 5: Solve for x
    x = 90,322,651.04/13,742.33
  6. Step 6: Final answer
    x = 6,572.59

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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.