Home / 14,371.15-21,562.07-6,471.29

Finding the Fourth Proportional to 14,371.15, 21,562.07 and 6,471.29

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Solution

The fourth proportional to 14,371.15, 21,562.07 and 6,471.29 is: 9,709.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,371.15 : 21,562.07 = 6,471.29 : x
  2. Step 2: Convert to fraction form
    14,371.15/21,562.07 = 6,471.29/x
  3. Step 3: Cross multiply
    14,371.15x = 21,562.07 × 6,471.29
  4. Step 4: Simplify right side
    14,371.15x = 139,534,267.80
  5. Step 5: Solve for x
    x = 139,534,267.80/14,371.15
  6. Step 6: Final answer
    x = 9,709.33

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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.