Home / 21,452.86-32,186.99-9,605.67

Finding the Fourth Proportional to 21,452.86, 32,186.99 and 9,605.67

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Solution

The fourth proportional to 21,452.86, 32,186.99 and 9,605.67 is: 14,411.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,452.86 : 32,186.99 = 9,605.67 : x
  2. Step 2: Convert to fraction form
    21,452.86/32,186.99 = 9,605.67/x
  3. Step 3: Cross multiply
    21,452.86x = 32,186.99 × 9,605.67
  4. Step 4: Simplify right side
    21,452.86x = 309,177,604.23
  5. Step 5: Solve for x
    x = 309,177,604.23/21,452.86
  6. Step 6: Final answer
    x = 14,411.95

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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.