Home / 15,214.51-22,821.90-4,121.30

Finding the Fourth Proportional to 15,214.51, 22,821.90 and 4,121.30

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Solution

The fourth proportional to 15,214.51, 22,821.90 and 4,121.30 is: 6,181.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,214.51 : 22,821.90 = 4,121.30 : x
  2. Step 2: Convert to fraction form
    15,214.51/22,821.90 = 4,121.30/x
  3. Step 3: Cross multiply
    15,214.51x = 22,821.90 × 4,121.30
  4. Step 4: Simplify right side
    15,214.51x = 94,055,896.47
  5. Step 5: Solve for x
    x = 94,055,896.47/15,214.51
  6. Step 6: Final answer
    x = 6,181.99

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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.