Home / 12,551.45-18,826.16-4,231.29

Finding the Fourth Proportional to 12,551.45, 18,826.16 and 4,231.29

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Solution

The fourth proportional to 12,551.45, 18,826.16 and 4,231.29 is: 6,346.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.45 : 18,826.16 = 4,231.29 : x
  2. Step 2: Convert to fraction form
    12,551.45/18,826.16 = 4,231.29/x
  3. Step 3: Cross multiply
    12,551.45x = 18,826.16 × 4,231.29
  4. Step 4: Simplify right side
    12,551.45x = 79,658,921.39
  5. Step 5: Solve for x
    x = 79,658,921.39/12,551.45
  6. Step 6: Final answer
    x = 6,346.59

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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.