Home / 11,330.63-16,981.56-6,403.03

Finding the Fourth Proportional to 11,330.63, 16,981.56 and 6,403.03

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Solution

The fourth proportional to 11,330.63, 16,981.56 and 6,403.03 is: 9,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.63 : 16,981.56 = 6,403.03 : x
  2. Step 2: Convert to fraction form
    11,330.63/16,981.56 = 6,403.03/x
  3. Step 3: Cross multiply
    11,330.63x = 16,981.56 × 6,403.03
  4. Step 4: Simplify right side
    11,330.63x = 108,733,438.13
  5. Step 5: Solve for x
    x = 108,733,438.13/11,330.63
  6. Step 6: Final answer
    x = 9,596.42

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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.