Home / 10,271.26-15,328.22-9,163.99

Finding the Fourth Proportional to 10,271.26, 15,328.22 and 9,163.99

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Solution

The fourth proportional to 10,271.26, 15,328.22 and 9,163.99 is: 13,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,271.26 : 15,328.22 = 9,163.99 : x
  2. Step 2: Convert to fraction form
    10,271.26/15,328.22 = 9,163.99/x
  3. Step 3: Cross multiply
    10,271.26x = 15,328.22 × 9,163.99
  4. Step 4: Simplify right side
    10,271.26x = 140,467,654.80
  5. Step 5: Solve for x
    x = 140,467,654.80/10,271.26
  6. Step 6: Final answer
    x = 13,675.80

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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.