Home / 15,213.38-22,822.20-4,684.28

Finding the Fourth Proportional to 15,213.38, 22,822.20 and 4,684.28

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Solution

The fourth proportional to 15,213.38, 22,822.20 and 4,684.28 is: 7,027.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213.38 : 22,822.20 = 4,684.28 : x
  2. Step 2: Convert to fraction form
    15,213.38/22,822.20 = 4,684.28/x
  3. Step 3: Cross multiply
    15,213.38x = 22,822.20 × 4,684.28
  4. Step 4: Simplify right side
    15,213.38x = 106,905,460.91
  5. Step 5: Solve for x
    x = 106,905,460.91/15,213.38
  6. Step 6: Final answer
    x = 7,027.07

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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.