Home / 11,284.84-16,931.10-5,809

Finding the Fourth Proportional to 11,284.84, 16,931.10 and 5,809

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Solution

The fourth proportional to 11,284.84, 16,931.10 and 5,809 is: 8,715.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.84 : 16,931.10 = 5,809 : x
  2. Step 2: Convert to fraction form
    11,284.84/16,931.10 = 5,809/x
  3. Step 3: Cross multiply
    11,284.84x = 16,931.10 × 5,809
  4. Step 4: Simplify right side
    11,284.84x = 98,352,759.90
  5. Step 5: Solve for x
    x = 98,352,759.90/11,284.84
  6. Step 6: Final answer
    x = 8,715.48

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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.