Home / 21,954.72-32,937.33-7,163.67

Finding the Fourth Proportional to 21,954.72, 32,937.33 and 7,163.67

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Solution

The fourth proportional to 21,954.72, 32,937.33 and 7,163.67 is: 10,747.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954.72 : 32,937.33 = 7,163.67 : x
  2. Step 2: Convert to fraction form
    21,954.72/32,937.33 = 7,163.67/x
  3. Step 3: Cross multiply
    21,954.72x = 32,937.33 × 7,163.67
  4. Step 4: Simplify right side
    21,954.72x = 235,952,162.80
  5. Step 5: Solve for x
    x = 235,952,162.80/21,954.72
  6. Step 6: Final answer
    x = 10,747.22

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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.