Home / 14,345.28-21,522.24-5,112

Finding the Fourth Proportional to 14,345.28, 21,522.24 and 5,112

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Solution

The fourth proportional to 14,345.28, 21,522.24 and 5,112 is: 7,669.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.28 : 21,522.24 = 5,112 : x
  2. Step 2: Convert to fraction form
    14,345.28/21,522.24 = 5,112/x
  3. Step 3: Cross multiply
    14,345.28x = 21,522.24 × 5,112
  4. Step 4: Simplify right side
    14,345.28x = 110,021,690.88
  5. Step 5: Solve for x
    x = 110,021,690.88/14,345.28
  6. Step 6: Final answer
    x = 7,669.54

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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.