Home / 10,769.38-16,154.07-4,921.89

Finding the Fourth Proportional to 10,769.38, 16,154.07 and 4,921.89

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Solution

The fourth proportional to 10,769.38, 16,154.07 and 4,921.89 is: 7,382.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,769.38 : 16,154.07 = 4,921.89 : x
  2. Step 2: Convert to fraction form
    10,769.38/16,154.07 = 4,921.89/x
  3. Step 3: Cross multiply
    10,769.38x = 16,154.07 × 4,921.89
  4. Step 4: Simplify right side
    10,769.38x = 79,508,555.59
  5. Step 5: Solve for x
    x = 79,508,555.59/10,769.38
  6. Step 6: Final answer
    x = 7,382.84

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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.