Home / 20,574.19-30,872.52-8,726.12

Finding the Fourth Proportional to 20,574.19, 30,872.52 and 8,726.12

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Solution

The fourth proportional to 20,574.19, 30,872.52 and 8,726.12 is: 13,093.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,574.19 : 30,872.52 = 8,726.12 : x
  2. Step 2: Convert to fraction form
    20,574.19/30,872.52 = 8,726.12/x
  3. Step 3: Cross multiply
    20,574.19x = 30,872.52 × 8,726.12
  4. Step 4: Simplify right side
    20,574.19x = 269,397,314.22
  5. Step 5: Solve for x
    x = 269,397,314.22/20,574.19
  6. Step 6: Final answer
    x = 13,093.95

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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.