Home / 13,107.74-19,665.26-5,712.85

Finding the Fourth Proportional to 13,107.74, 19,665.26 and 5,712.85

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Solution

The fourth proportional to 13,107.74, 19,665.26 and 5,712.85 is: 8,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.74 : 19,665.26 = 5,712.85 : x
  2. Step 2: Convert to fraction form
    13,107.74/19,665.26 = 5,712.85/x
  3. Step 3: Cross multiply
    13,107.74x = 19,665.26 × 5,712.85
  4. Step 4: Simplify right side
    13,107.74x = 112,344,680.59
  5. Step 5: Solve for x
    x = 112,344,680.59/13,107.74
  6. Step 6: Final answer
    x = 8,570.87

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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.