Home / 10,551.73-15,819.39-5,284.04

Finding the Fourth Proportional to 10,551.73, 15,819.39 and 5,284.04

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Solution

The fourth proportional to 10,551.73, 15,819.39 and 5,284.04 is: 7,921.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.73 : 15,819.39 = 5,284.04 : x
  2. Step 2: Convert to fraction form
    10,551.73/15,819.39 = 5,284.04/x
  3. Step 3: Cross multiply
    10,551.73x = 15,819.39 × 5,284.04
  4. Step 4: Simplify right side
    10,551.73x = 83,590,203.01
  5. Step 5: Solve for x
    x = 83,590,203.01/10,551.73
  6. Step 6: Final answer
    x = 7,921.94

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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.