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Finding the Fourth Proportional to 6,769.68, 10,109.53 and 6,696.37

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Solution

The fourth proportional to 6,769.68, 10,109.53 and 6,696.37 is: 10,000.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,769.68 : 10,109.53 = 6,696.37 : x
  2. Step 2: Convert to fraction form
    6,769.68/10,109.53 = 6,696.37/x
  3. Step 3: Cross multiply
    6,769.68x = 10,109.53 × 6,696.37
  4. Step 4: Simplify right side
    6,769.68x = 67,697,193.25
  5. Step 5: Solve for x
    x = 67,697,193.25/6,769.68
  6. Step 6: Final answer
    x = 10,000.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.