Home / 12,045.74-18,063.90-4,146.75

Finding the Fourth Proportional to 12,045.74, 18,063.90 and 4,146.75

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Solution

The fourth proportional to 12,045.74, 18,063.90 and 4,146.75 is: 6,218.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045.74 : 18,063.90 = 4,146.75 : x
  2. Step 2: Convert to fraction form
    12,045.74/18,063.90 = 4,146.75/x
  3. Step 3: Cross multiply
    12,045.74x = 18,063.90 × 4,146.75
  4. Step 4: Simplify right side
    12,045.74x = 74,906,477.33
  5. Step 5: Solve for x
    x = 74,906,477.33/12,045.74
  6. Step 6: Final answer
    x = 6,218.51

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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.