Home / 21,017.44-31,532.24-6,226.65

Finding the Fourth Proportional to 21,017.44, 31,532.24 and 6,226.65

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Solution

The fourth proportional to 21,017.44, 31,532.24 and 6,226.65 is: 9,341.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,017.44 : 31,532.24 = 6,226.65 : x
  2. Step 2: Convert to fraction form
    21,017.44/31,532.24 = 6,226.65/x
  3. Step 3: Cross multiply
    21,017.44x = 31,532.24 × 6,226.65
  4. Step 4: Simplify right side
    21,017.44x = 196,340,222.20
  5. Step 5: Solve for x
    x = 196,340,222.20/21,017.44
  6. Step 6: Final answer
    x = 9,341.78

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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.