Home / 21,954.12-32,934.39-6,369.72

Finding the Fourth Proportional to 21,954.12, 32,934.39 and 6,369.72

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Solution

The fourth proportional to 21,954.12, 32,934.39 and 6,369.72 is: 9,555.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954.12 : 32,934.39 = 6,369.72 : x
  2. Step 2: Convert to fraction form
    21,954.12/32,934.39 = 6,369.72/x
  3. Step 3: Cross multiply
    21,954.12x = 32,934.39 × 6,369.72
  4. Step 4: Simplify right side
    21,954.12x = 209,782,842.67
  5. Step 5: Solve for x
    x = 209,782,842.67/21,954.12
  6. Step 6: Final answer
    x = 9,555.51

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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.