Home / 12,134.42-18,201.71-4,236.89

Finding the Fourth Proportional to 12,134.42, 18,201.71 and 4,236.89

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Solution

The fourth proportional to 12,134.42, 18,201.71 and 4,236.89 is: 6,355.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.42 : 18,201.71 = 4,236.89 : x
  2. Step 2: Convert to fraction form
    12,134.42/18,201.71 = 4,236.89/x
  3. Step 3: Cross multiply
    12,134.42x = 18,201.71 × 4,236.89
  4. Step 4: Simplify right side
    12,134.42x = 77,118,643.08
  5. Step 5: Solve for x
    x = 77,118,643.08/12,134.42
  6. Step 6: Final answer
    x = 6,355.36

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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.