Home / 20,583.32-30,872.95-5,791.91

Finding the Fourth Proportional to 20,583.32, 30,872.95 and 5,791.91

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Solution

The fourth proportional to 20,583.32, 30,872.95 and 5,791.91 is: 8,687.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.32 : 30,872.95 = 5,791.91 : x
  2. Step 2: Convert to fraction form
    20,583.32/30,872.95 = 5,791.91/x
  3. Step 3: Cross multiply
    20,583.32x = 30,872.95 × 5,791.91
  4. Step 4: Simplify right side
    20,583.32x = 178,813,178.99
  5. Step 5: Solve for x
    x = 178,813,178.99/20,583.32
  6. Step 6: Final answer
    x = 8,687.29

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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.