Home / 12,574.31-18,859.43-4,254.17

Finding the Fourth Proportional to 12,574.31, 18,859.43 and 4,254.17

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Solution

The fourth proportional to 12,574.31, 18,859.43 and 4,254.17 is: 6,380.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,574.31 : 18,859.43 = 4,254.17 : x
  2. Step 2: Convert to fraction form
    12,574.31/18,859.43 = 4,254.17/x
  3. Step 3: Cross multiply
    12,574.31x = 18,859.43 × 4,254.17
  4. Step 4: Simplify right side
    12,574.31x = 80,231,137.66
  5. Step 5: Solve for x
    x = 80,231,137.66/12,574.31
  6. Step 6: Final answer
    x = 6,380.56

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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.