Home / 14,005.17-21,008.16-5,238.41

Finding the Fourth Proportional to 14,005.17, 21,008.16 and 5,238.41

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Solution

The fourth proportional to 14,005.17, 21,008.16 and 5,238.41 is: 7,857.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.17 : 21,008.16 = 5,238.41 : x
  2. Step 2: Convert to fraction form
    14,005.17/21,008.16 = 5,238.41/x
  3. Step 3: Cross multiply
    14,005.17x = 21,008.16 × 5,238.41
  4. Step 4: Simplify right side
    14,005.17x = 110,049,355.43
  5. Step 5: Solve for x
    x = 110,049,355.43/14,005.17
  6. Step 6: Final answer
    x = 7,857.77

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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.