Home / 10,928.00-16,368.30-6,769.05

Finding the Fourth Proportional to 10,928.00, 16,368.30 and 6,769.05

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Solution

The fourth proportional to 10,928.00, 16,368.30 and 6,769.05 is: 10,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.00 : 16,368.30 = 6,769.05 : x
  2. Step 2: Convert to fraction form
    10,928.00/16,368.30 = 6,769.05/x
  3. Step 3: Cross multiply
    10,928.00x = 16,368.30 × 6,769.05
  4. Step 4: Simplify right side
    10,928.00x = 110,797,841.12
  5. Step 5: Solve for x
    x = 110,797,841.12/10,928.00
  6. Step 6: Final answer
    x = 10,138.90

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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.