Home / 14,023.44-20,920.32-13,642.11

Finding the Fourth Proportional to 14,023.44, 20,920.32 and 13,642.11

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Solution

The fourth proportional to 14,023.44, 20,920.32 and 13,642.11 is: 20,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,023.44 : 20,920.32 = 13,642.11 : x
  2. Step 2: Convert to fraction form
    14,023.44/20,920.32 = 13,642.11/x
  3. Step 3: Cross multiply
    14,023.44x = 20,920.32 × 13,642.11
  4. Step 4: Simplify right side
    14,023.44x = 285,397,306.68
  5. Step 5: Solve for x
    x = 285,397,306.68/14,023.44
  6. Step 6: Final answer
    x = 20,351.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.