Home / 12,378.66-18,568.44-4,058.34

Finding the Fourth Proportional to 12,378.66, 18,568.44 and 4,058.34

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Solution

The fourth proportional to 12,378.66, 18,568.44 and 4,058.34 is: 6,087.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,378.66 : 18,568.44 = 4,058.34 : x
  2. Step 2: Convert to fraction form
    12,378.66/18,568.44 = 4,058.34/x
  3. Step 3: Cross multiply
    12,378.66x = 18,568.44 × 4,058.34
  4. Step 4: Simplify right side
    12,378.66x = 75,357,042.79
  5. Step 5: Solve for x
    x = 75,357,042.79/12,378.66
  6. Step 6: Final answer
    x = 6,087.66

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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.