Home / 12,454.83-18,684.45-4,133.97

Finding the Fourth Proportional to 12,454.83, 18,684.45 and 4,133.97

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Solution

The fourth proportional to 12,454.83, 18,684.45 and 4,133.97 is: 6,201.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454.83 : 18,684.45 = 4,133.97 : x
  2. Step 2: Convert to fraction form
    12,454.83/18,684.45 = 4,133.97/x
  3. Step 3: Cross multiply
    12,454.83x = 18,684.45 × 4,133.97
  4. Step 4: Simplify right side
    12,454.83x = 77,240,955.77
  5. Step 5: Solve for x
    x = 77,240,955.77/12,454.83
  6. Step 6: Final answer
    x = 6,201.69

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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.