Home / 10,508.54-15,761.39-3,111.62

Finding the Fourth Proportional to 10,508.54, 15,761.39 and 3,111.62

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Solution

The fourth proportional to 10,508.54, 15,761.39 and 3,111.62 is: 4,667.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508.54 : 15,761.39 = 3,111.62 : x
  2. Step 2: Convert to fraction form
    10,508.54/15,761.39 = 3,111.62/x
  3. Step 3: Cross multiply
    10,508.54x = 15,761.39 × 3,111.62
  4. Step 4: Simplify right side
    10,508.54x = 49,043,361.99
  5. Step 5: Solve for x
    x = 49,043,361.99/10,508.54
  6. Step 6: Final answer
    x = 4,667.00

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1.5x scale

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.