Home / 14,019.16-21,027.92-5,253.36

Finding the Fourth Proportional to 14,019.16, 21,027.92 and 5,253.36

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Solution

The fourth proportional to 14,019.16, 21,027.92 and 5,253.36 is: 7,879.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.16 : 21,027.92 = 5,253.36 : x
  2. Step 2: Convert to fraction form
    14,019.16/21,027.92 = 5,253.36/x
  3. Step 3: Cross multiply
    14,019.16x = 21,027.92 × 5,253.36
  4. Step 4: Simplify right side
    14,019.16x = 110,467,233.81
  5. Step 5: Solve for x
    x = 110,467,233.81/14,019.16
  6. Step 6: Final answer
    x = 7,879.73

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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.