Home / 20,463.86-30,695.79-13,536.74

Finding the Fourth Proportional to 20,463.86, 30,695.79 and 13,536.74

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Solution

The fourth proportional to 20,463.86, 30,695.79 and 13,536.74 is: 20,305.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,463.86 : 30,695.79 = 13,536.74 : x
  2. Step 2: Convert to fraction form
    20,463.86/30,695.79 = 13,536.74/x
  3. Step 3: Cross multiply
    20,463.86x = 30,695.79 × 13,536.74
  4. Step 4: Simplify right side
    20,463.86x = 415,520,928.32
  5. Step 5: Solve for x
    x = 415,520,928.32/20,463.86
  6. Step 6: Final answer
    x = 20,305.11

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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.