Home / 12,910.36-19,363.71-4,144.14

Finding the Fourth Proportional to 12,910.36, 19,363.71 and 4,144.14

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Solution

The fourth proportional to 12,910.36, 19,363.71 and 4,144.14 is: 6,215.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910.36 : 19,363.71 = 4,144.14 : x
  2. Step 2: Convert to fraction form
    12,910.36/19,363.71 = 4,144.14/x
  3. Step 3: Cross multiply
    12,910.36x = 19,363.71 × 4,144.14
  4. Step 4: Simplify right side
    12,910.36x = 80,245,925.16
  5. Step 5: Solve for x
    x = 80,245,925.16/12,910.36
  6. Step 6: Final answer
    x = 6,215.62

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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.