Home / 20,116.11-30,164.04-6,964.95

Finding the Fourth Proportional to 20,116.11, 30,164.04 and 6,964.95

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Solution

The fourth proportional to 20,116.11, 30,164.04 and 6,964.95 is: 10,443.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,116.11 : 30,164.04 = 6,964.95 : x
  2. Step 2: Convert to fraction form
    20,116.11/30,164.04 = 6,964.95/x
  3. Step 3: Cross multiply
    20,116.11x = 30,164.04 × 6,964.95
  4. Step 4: Simplify right side
    20,116.11x = 210,091,030.40
  5. Step 5: Solve for x
    x = 210,091,030.40/20,116.11
  6. Step 6: Final answer
    x = 10,443.92

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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.