Home / 12,550.28-17,312.19-7,826.36

Finding the Fourth Proportional to 12,550.28, 17,312.19 and 7,826.36

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Solution

The fourth proportional to 12,550.28, 17,312.19 and 7,826.36 is: 10,795.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.28 : 17,312.19 = 7,826.36 : x
  2. Step 2: Convert to fraction form
    12,550.28/17,312.19 = 7,826.36/x
  3. Step 3: Cross multiply
    12,550.28x = 17,312.19 × 7,826.36
  4. Step 4: Simplify right side
    12,550.28x = 135,491,431.33
  5. Step 5: Solve for x
    x = 135,491,431.33/12,550.28
  6. Step 6: Final answer
    x = 10,795.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.