Home / 11,866.47-17,800.91-4,477.14

Finding the Fourth Proportional to 11,866.47, 17,800.91 and 4,477.14

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Solution

The fourth proportional to 11,866.47, 17,800.91 and 4,477.14 is: 6,716.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,866.47 : 17,800.91 = 4,477.14 : x
  2. Step 2: Convert to fraction form
    11,866.47/17,800.91 = 4,477.14/x
  3. Step 3: Cross multiply
    11,866.47x = 17,800.91 × 4,477.14
  4. Step 4: Simplify right side
    11,866.47x = 79,697,166.20
  5. Step 5: Solve for x
    x = 79,697,166.20/11,866.47
  6. Step 6: Final answer
    x = 6,716.16

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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.