Home / 14,358.78-21,536.73-4,997.88

Finding the Fourth Proportional to 14,358.78, 21,536.73 and 4,997.88

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Solution

The fourth proportional to 14,358.78, 21,536.73 and 4,997.88 is: 7,496.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358.78 : 21,536.73 = 4,997.88 : x
  2. Step 2: Convert to fraction form
    14,358.78/21,536.73 = 4,997.88/x
  3. Step 3: Cross multiply
    14,358.78x = 21,536.73 × 4,997.88
  4. Step 4: Simplify right side
    14,358.78x = 107,637,992.13
  5. Step 5: Solve for x
    x = 107,637,992.13/14,358.78
  6. Step 6: Final answer
    x = 7,496.32

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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.