Home / 21,332.32-32,002.60-8,183.67

Finding the Fourth Proportional to 21,332.32, 32,002.60 and 8,183.67

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Solution

The fourth proportional to 21,332.32, 32,002.60 and 8,183.67 is: 12,277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332.32 : 32,002.60 = 8,183.67 : x
  2. Step 2: Convert to fraction form
    21,332.32/32,002.60 = 8,183.67/x
  3. Step 3: Cross multiply
    21,332.32x = 32,002.60 × 8,183.67
  4. Step 4: Simplify right side
    21,332.32x = 261,898,607.76
  5. Step 5: Solve for x
    x = 261,898,607.76/21,332.32
  6. Step 6: Final answer
    x = 12,277.08

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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.