Home / 10,171.08-15,262.39-5,491.03

Finding the Fourth Proportional to 10,171.08, 15,262.39 and 5,491.03

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Solution

The fourth proportional to 10,171.08, 15,262.39 and 5,491.03 is: 8,239.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.08 : 15,262.39 = 5,491.03 : x
  2. Step 2: Convert to fraction form
    10,171.08/15,262.39 = 5,491.03/x
  3. Step 3: Cross multiply
    10,171.08x = 15,262.39 × 5,491.03
  4. Step 4: Simplify right side
    10,171.08x = 83,806,241.36
  5. Step 5: Solve for x
    x = 83,806,241.36/10,171.08
  6. Step 6: Final answer
    x = 8,239.66

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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.