Home / 15,040.05-20,754.93-8,325.27

Finding the Fourth Proportional to 15,040.05, 20,754.93 and 8,325.27

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Solution

The fourth proportional to 15,040.05, 20,754.93 and 8,325.27 is: 11,488.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,040.05 : 20,754.93 = 8,325.27 : x
  2. Step 2: Convert to fraction form
    15,040.05/20,754.93 = 8,325.27/x
  3. Step 3: Cross multiply
    15,040.05x = 20,754.93 × 8,325.27
  4. Step 4: Simplify right side
    15,040.05x = 172,790,396.08
  5. Step 5: Solve for x
    x = 172,790,396.08/15,040.05
  6. Step 6: Final answer
    x = 11,488.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.