Home / 11,239.89-16,867.38-4,666.08

Finding the Fourth Proportional to 11,239.89, 16,867.38 and 4,666.08

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Solution

The fourth proportional to 11,239.89, 16,867.38 and 4,666.08 is: 7,002.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.89 : 16,867.38 = 4,666.08 : x
  2. Step 2: Convert to fraction form
    11,239.89/16,867.38 = 4,666.08/x
  3. Step 3: Cross multiply
    11,239.89x = 16,867.38 × 4,666.08
  4. Step 4: Simplify right side
    11,239.89x = 78,704,544.47
  5. Step 5: Solve for x
    x = 78,704,544.47/11,239.89
  6. Step 6: Final answer
    x = 7,002.25

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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.