Home / 12,162.54-18,244.89-4,373.58

Finding the Fourth Proportional to 12,162.54, 18,244.89 and 4,373.58

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Solution

The fourth proportional to 12,162.54, 18,244.89 and 4,373.58 is: 6,560.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162.54 : 18,244.89 = 4,373.58 : x
  2. Step 2: Convert to fraction form
    12,162.54/18,244.89 = 4,373.58/x
  3. Step 3: Cross multiply
    12,162.54x = 18,244.89 × 4,373.58
  4. Step 4: Simplify right side
    12,162.54x = 79,795,486.01
  5. Step 5: Solve for x
    x = 79,795,486.01/12,162.54
  6. Step 6: Final answer
    x = 6,560.76

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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.