Home / 21,467.28-32,197.68-9,618.60

Finding the Fourth Proportional to 21,467.28, 32,197.68 and 9,618.60

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Solution

The fourth proportional to 21,467.28, 32,197.68 and 9,618.60 is: 14,426.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467.28 : 32,197.68 = 9,618.60 : x
  2. Step 2: Convert to fraction form
    21,467.28/32,197.68 = 9,618.60/x
  3. Step 3: Cross multiply
    21,467.28x = 32,197.68 × 9,618.60
  4. Step 4: Simplify right side
    21,467.28x = 309,696,604.85
  5. Step 5: Solve for x
    x = 309,696,604.85/21,467.28
  6. Step 6: Final answer
    x = 14,426.45

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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.