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Finding the Fourth Proportional to 18,119.04, 27,141.44 and 10,701.04

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Solution

The fourth proportional to 18,119.04, 27,141.44 and 10,701.04 is: 16,029.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119.04 : 27,141.44 = 10,701.04 : x
  2. Step 2: Convert to fraction form
    18,119.04/27,141.44 = 10,701.04/x
  3. Step 3: Cross multiply
    18,119.04x = 27,141.44 × 10,701.04
  4. Step 4: Simplify right side
    18,119.04x = 290,441,635.10
  5. Step 5: Solve for x
    x = 290,441,635.10/18,119.04
  6. Step 6: Final answer
    x = 16,029.64

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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.