Home / 12,929.17-19,392.99-4,608.75

Finding the Fourth Proportional to 12,929.17, 19,392.99 and 4,608.75

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Solution

The fourth proportional to 12,929.17, 19,392.99 and 4,608.75 is: 6,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929.17 : 19,392.99 = 4,608.75 : x
  2. Step 2: Convert to fraction form
    12,929.17/19,392.99 = 4,608.75/x
  3. Step 3: Cross multiply
    12,929.17x = 19,392.99 × 4,608.75
  4. Step 4: Simplify right side
    12,929.17x = 89,377,442.66
  5. Step 5: Solve for x
    x = 89,377,442.66/12,929.17
  6. Step 6: Final answer
    x = 6,912.85

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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.