Home / 21,334.39-32,006.04-8,186.67

Finding the Fourth Proportional to 21,334.39, 32,006.04 and 8,186.67

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Solution

The fourth proportional to 21,334.39, 32,006.04 and 8,186.67 is: 12,281.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334.39 : 32,006.04 = 8,186.67 : x
  2. Step 2: Convert to fraction form
    21,334.39/32,006.04 = 8,186.67/x
  3. Step 3: Cross multiply
    21,334.39x = 32,006.04 × 8,186.67
  4. Step 4: Simplify right side
    21,334.39x = 262,022,856.79
  5. Step 5: Solve for x
    x = 262,022,856.79/21,334.39
  6. Step 6: Final answer
    x = 12,281.71

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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.