Home / 20,502.32-30,754.62-6,462.72

Finding the Fourth Proportional to 20,502.32, 30,754.62 and 6,462.72

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Solution

The fourth proportional to 20,502.32, 30,754.62 and 6,462.72 is: 9,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502.32 : 30,754.62 = 6,462.72 : x
  2. Step 2: Convert to fraction form
    20,502.32/30,754.62 = 6,462.72/x
  3. Step 3: Cross multiply
    20,502.32x = 30,754.62 × 6,462.72
  4. Step 4: Simplify right side
    20,502.32x = 198,758,497.77
  5. Step 5: Solve for x
    x = 198,758,497.77/20,502.32
  6. Step 6: Final answer
    x = 9,694.44

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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.