Home / 21,448.05-32,161.11-8,964.67

Finding the Fourth Proportional to 21,448.05, 32,161.11 and 8,964.67

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Solution

The fourth proportional to 21,448.05, 32,161.11 and 8,964.67 is: 13,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448.05 : 32,161.11 = 8,964.67 : x
  2. Step 2: Convert to fraction form
    21,448.05/32,161.11 = 8,964.67/x
  3. Step 3: Cross multiply
    21,448.05x = 32,161.11 × 8,964.67
  4. Step 4: Simplify right side
    21,448.05x = 288,313,778.19
  5. Step 5: Solve for x
    x = 288,313,778.19/21,448.05
  6. Step 6: Final answer
    x = 13,442.42

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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.