Home / 21,966.28-32,954.26-6,385.12

Finding the Fourth Proportional to 21,966.28, 32,954.26 and 6,385.12

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Solution

The fourth proportional to 21,966.28, 32,954.26 and 6,385.12 is: 9,579.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966.28 : 32,954.26 = 6,385.12 : x
  2. Step 2: Convert to fraction form
    21,966.28/32,954.26 = 6,385.12/x
  3. Step 3: Cross multiply
    21,966.28x = 32,954.26 × 6,385.12
  4. Step 4: Simplify right side
    21,966.28x = 210,416,904.61
  5. Step 5: Solve for x
    x = 210,416,904.61/21,966.28
  6. Step 6: Final answer
    x = 9,579.09

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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.