Home / 19,995.36-29,992.32-6,144

Finding the Fourth Proportional to 19,995.36, 29,992.32 and 6,144

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Solution

The fourth proportional to 19,995.36, 29,992.32 and 6,144 is: 9,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.36 : 29,992.32 = 6,144 : x
  2. Step 2: Convert to fraction form
    19,995.36/29,992.32 = 6,144/x
  3. Step 3: Cross multiply
    19,995.36x = 29,992.32 × 6,144
  4. Step 4: Simplify right side
    19,995.36x = 184,272,814.08
  5. Step 5: Solve for x
    x = 184,272,814.08/19,995.36
  6. Step 6: Final answer
    x = 9,215.78

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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.