Home / 16,787.19-25,182.20-5,100.51

Finding the Fourth Proportional to 16,787.19, 25,182.20 and 5,100.51

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Solution

The fourth proportional to 16,787.19, 25,182.20 and 5,100.51 is: 7,651.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,787.19 : 25,182.20 = 5,100.51 : x
  2. Step 2: Convert to fraction form
    16,787.19/25,182.20 = 5,100.51/x
  3. Step 3: Cross multiply
    16,787.19x = 25,182.20 × 5,100.51
  4. Step 4: Simplify right side
    16,787.19x = 128,442,062.92
  5. Step 5: Solve for x
    x = 128,442,062.92/16,787.19
  6. Step 6: Final answer
    x = 7,651.19

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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.