Home / 14,015.13-19,329.94-8,979.82

Finding the Fourth Proportional to 14,015.13, 19,329.94 and 8,979.82

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Solution

The fourth proportional to 14,015.13, 19,329.94 and 8,979.82 is: 12,385.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.13 : 19,329.94 = 8,979.82 : x
  2. Step 2: Convert to fraction form
    14,015.13/19,329.94 = 8,979.82/x
  3. Step 3: Cross multiply
    14,015.13x = 19,329.94 × 8,979.82
  4. Step 4: Simplify right side
    14,015.13x = 173,579,311.04
  5. Step 5: Solve for x
    x = 173,579,311.04/14,015.13
  6. Step 6: Final answer
    x = 12,385.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.