Home / 12,612.36-18,917.10-3,377.64

Finding the Fourth Proportional to 12,612.36, 18,917.10 and 3,377.64

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Solution

The fourth proportional to 12,612.36, 18,917.10 and 3,377.64 is: 5,066.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612.36 : 18,917.10 = 3,377.64 : x
  2. Step 2: Convert to fraction form
    12,612.36/18,917.10 = 3,377.64/x
  3. Step 3: Cross multiply
    12,612.36x = 18,917.10 × 3,377.64
  4. Step 4: Simplify right side
    12,612.36x = 63,895,153.64
  5. Step 5: Solve for x
    x = 63,895,153.64/12,612.36
  6. Step 6: Final answer
    x = 5,066.07

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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.