Home / 15,208.83-22,808.57-5,345.78

Finding the Fourth Proportional to 15,208.83, 22,808.57 and 5,345.78

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Solution

The fourth proportional to 15,208.83, 22,808.57 and 5,345.78 is: 8,017.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,208.83 : 22,808.57 = 5,345.78 : x
  2. Step 2: Convert to fraction form
    15,208.83/22,808.57 = 5,345.78/x
  3. Step 3: Cross multiply
    15,208.83x = 22,808.57 × 5,345.78
  4. Step 4: Simplify right side
    15,208.83x = 121,929,456.56
  5. Step 5: Solve for x
    x = 121,929,456.56/15,208.83
  6. Step 6: Final answer
    x = 8,017.02

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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.