Home / 12,908.54-19,357.61-5,006.90

Finding the Fourth Proportional to 12,908.54, 19,357.61 and 5,006.90

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Solution

The fourth proportional to 12,908.54, 19,357.61 and 5,006.90 is: 7,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,908.54 : 19,357.61 = 5,006.90 : x
  2. Step 2: Convert to fraction form
    12,908.54/19,357.61 = 5,006.90/x
  3. Step 3: Cross multiply
    12,908.54x = 19,357.61 × 5,006.90
  4. Step 4: Simplify right side
    12,908.54x = 96,921,617.51
  5. Step 5: Solve for x
    x = 96,921,617.51/12,908.54
  6. Step 6: Final answer
    x = 7,508.33

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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.