Home / 21,950.55-32,919.66-9,467.91

Finding the Fourth Proportional to 21,950.55, 32,919.66 and 9,467.91

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Solution

The fourth proportional to 21,950.55, 32,919.66 and 9,467.91 is: 14,199.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,950.55 : 32,919.66 = 9,467.91 : x
  2. Step 2: Convert to fraction form
    21,950.55/32,919.66 = 9,467.91/x
  3. Step 3: Cross multiply
    21,950.55x = 32,919.66 × 9,467.91
  4. Step 4: Simplify right side
    21,950.55x = 311,680,378.11
  5. Step 5: Solve for x
    x = 311,680,378.11/21,950.55
  6. Step 6: Final answer
    x = 14,199.21

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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.