Home / 14,377.38-21,575.29-6,977.81

Finding the Fourth Proportional to 14,377.38, 21,575.29 and 6,977.81

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Solution

The fourth proportional to 14,377.38, 21,575.29 and 6,977.81 is: 10,471.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,377.38 : 21,575.29 = 6,977.81 : x
  2. Step 2: Convert to fraction form
    14,377.38/21,575.29 = 6,977.81/x
  3. Step 3: Cross multiply
    14,377.38x = 21,575.29 × 6,977.81
  4. Step 4: Simplify right side
    14,377.38x = 150,548,166.44
  5. Step 5: Solve for x
    x = 150,548,166.44/14,377.38
  6. Step 6: Final answer
    x = 10,471.18

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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.