Home / 20,463.42-30,695.13-13,536.30

Finding the Fourth Proportional to 20,463.42, 30,695.13 and 13,536.30

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Solution

The fourth proportional to 20,463.42, 30,695.13 and 13,536.30 is: 20,304.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,463.42 : 30,695.13 = 13,536.30 : x
  2. Step 2: Convert to fraction form
    20,463.42/30,695.13 = 13,536.30/x
  3. Step 3: Cross multiply
    20,463.42x = 30,695.13 × 13,536.30
  4. Step 4: Simplify right side
    20,463.42x = 415,498,615.72
  5. Step 5: Solve for x
    x = 415,498,615.72/20,463.42
  6. Step 6: Final answer
    x = 20,304.45

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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.