Home / 21,904.20-32,838.30-9,433.80

Finding the Fourth Proportional to 21,904.20, 32,838.30 and 9,433.80

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Solution

The fourth proportional to 21,904.20, 32,838.30 and 9,433.80 is: 14,142.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,904.20 : 32,838.30 = 9,433.80 : x
  2. Step 2: Convert to fraction form
    21,904.20/32,838.30 = 9,433.80/x
  3. Step 3: Cross multiply
    21,904.20x = 32,838.30 × 9,433.80
  4. Step 4: Simplify right side
    21,904.20x = 309,789,954.54
  5. Step 5: Solve for x
    x = 309,789,954.54/21,904.20
  6. Step 6: Final answer
    x = 14,142.95

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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.