Home / 20,463.71-30,651.01-12,542.24

Finding the Fourth Proportional to 20,463.71, 30,651.01 and 12,542.24

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Solution

The fourth proportional to 20,463.71, 30,651.01 and 12,542.24 is: 18,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,463.71 : 30,651.01 = 12,542.24 : x
  2. Step 2: Convert to fraction form
    20,463.71/30,651.01 = 12,542.24/x
  3. Step 3: Cross multiply
    20,463.71x = 30,651.01 × 12,542.24
  4. Step 4: Simplify right side
    20,463.71x = 384,432,368.93
  5. Step 5: Solve for x
    x = 384,432,368.93/20,463.71
  6. Step 6: Final answer
    x = 18,786.06

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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.