Home / 12,612.68-18,916.84-3,376.52

Finding the Fourth Proportional to 12,612.68, 18,916.84 and 3,376.52

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Solution

The fourth proportional to 12,612.68, 18,916.84 and 3,376.52 is: 5,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612.68 : 18,916.84 = 3,376.52 : x
  2. Step 2: Convert to fraction form
    12,612.68/18,916.84 = 3,376.52/x
  3. Step 3: Cross multiply
    12,612.68x = 18,916.84 × 3,376.52
  4. Step 4: Simplify right side
    12,612.68x = 63,873,088.60
  5. Step 5: Solve for x
    x = 63,873,088.60/12,612.68
  6. Step 6: Final answer
    x = 5,064.20

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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.