Home / 14,475.18-19,976.10-8,101.72

Finding the Fourth Proportional to 14,475.18, 19,976.10 and 8,101.72

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Solution

The fourth proportional to 14,475.18, 19,976.10 and 8,101.72 is: 11,180.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.18 : 19,976.10 = 8,101.72 : x
  2. Step 2: Convert to fraction form
    14,475.18/19,976.10 = 8,101.72/x
  3. Step 3: Cross multiply
    14,475.18x = 19,976.10 × 8,101.72
  4. Step 4: Simplify right side
    14,475.18x = 161,840,669.01
  5. Step 5: Solve for x
    x = 161,840,669.01/14,475.18
  6. Step 6: Final answer
    x = 11,180.57

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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.