Home / 18,660.30-27,991.25-6,967.14

Finding the Fourth Proportional to 18,660.30, 27,991.25 and 6,967.14

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Solution

The fourth proportional to 18,660.30, 27,991.25 and 6,967.14 is: 10,451.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.30 : 27,991.25 = 6,967.14 : x
  2. Step 2: Convert to fraction form
    18,660.30/27,991.25 = 6,967.14/x
  3. Step 3: Cross multiply
    18,660.30x = 27,991.25 × 6,967.14
  4. Step 4: Simplify right side
    18,660.30x = 195,018,957.53
  5. Step 5: Solve for x
    x = 195,018,957.53/18,660.30
  6. Step 6: Final answer
    x = 10,451.01

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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.