Home / 14,331.08-19,723.02-12,121.94

Finding the Fourth Proportional to 14,331.08, 19,723.02 and 12,121.94

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Solution

The fourth proportional to 14,331.08, 19,723.02 and 12,121.94 is: 16,682.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.08 : 19,723.02 = 12,121.94 : x
  2. Step 2: Convert to fraction form
    14,331.08/19,723.02 = 12,121.94/x
  3. Step 3: Cross multiply
    14,331.08x = 19,723.02 × 12,121.94
  4. Step 4: Simplify right side
    14,331.08x = 239,081,265.06
  5. Step 5: Solve for x
    x = 239,081,265.06/14,331.08
  6. Step 6: Final answer
    x = 16,682.71

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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.