Home / 12,812.22-19,216.71-4,044.78

Finding the Fourth Proportional to 12,812.22, 19,216.71 and 4,044.78

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Solution

The fourth proportional to 12,812.22, 19,216.71 and 4,044.78 is: 6,066.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812.22 : 19,216.71 = 4,044.78 : x
  2. Step 2: Convert to fraction form
    12,812.22/19,216.71 = 4,044.78/x
  3. Step 3: Cross multiply
    12,812.22x = 19,216.71 × 4,044.78
  4. Step 4: Simplify right side
    12,812.22x = 77,727,364.27
  5. Step 5: Solve for x
    x = 77,727,364.27/12,812.22
  6. Step 6: Final answer
    x = 6,066.66

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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.