Home / 12,818.97-19,230.48-4,055.94

Finding the Fourth Proportional to 12,818.97, 19,230.48 and 4,055.94

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Solution

The fourth proportional to 12,818.97, 19,230.48 and 4,055.94 is: 6,084.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,818.97 : 19,230.48 = 4,055.94 : x
  2. Step 2: Convert to fraction form
    12,818.97/19,230.48 = 4,055.94/x
  3. Step 3: Cross multiply
    12,818.97x = 19,230.48 × 4,055.94
  4. Step 4: Simplify right side
    12,818.97x = 77,997,673.05
  5. Step 5: Solve for x
    x = 77,997,673.05/12,818.97
  6. Step 6: Final answer
    x = 6,084.55

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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.