Home / 15,163.80-22,711.85-11,627.76

Finding the Fourth Proportional to 15,163.80, 22,711.85 and 11,627.76

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Solution

The fourth proportional to 15,163.80, 22,711.85 and 11,627.76 is: 17,415.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,163.80 : 22,711.85 = 11,627.76 : x
  2. Step 2: Convert to fraction form
    15,163.80/22,711.85 = 11,627.76/x
  3. Step 3: Cross multiply
    15,163.80x = 22,711.85 × 11,627.76
  4. Step 4: Simplify right side
    15,163.80x = 264,087,939.60
  5. Step 5: Solve for x
    x = 264,087,939.60/15,163.80
  6. Step 6: Final answer
    x = 17,415.68

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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.