Home / 12,719.61-19,062.99-5,694.48

Finding the Fourth Proportional to 12,719.61, 19,062.99 and 5,694.48

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Solution

The fourth proportional to 12,719.61, 19,062.99 and 5,694.48 is: 8,534.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,719.61 : 19,062.99 = 5,694.48 : x
  2. Step 2: Convert to fraction form
    12,719.61/19,062.99 = 5,694.48/x
  3. Step 3: Cross multiply
    12,719.61x = 19,062.99 × 5,694.48
  4. Step 4: Simplify right side
    12,719.61x = 108,553,815.30
  5. Step 5: Solve for x
    x = 108,553,815.30/12,719.61
  6. Step 6: Final answer
    x = 8,534.37

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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.