Home / 14,458.80-21,689.20-6,137.84

Finding the Fourth Proportional to 14,458.80, 21,689.20 and 6,137.84

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Solution

The fourth proportional to 14,458.80, 21,689.20 and 6,137.84 is: 9,207.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458.80 : 21,689.20 = 6,137.84 : x
  2. Step 2: Convert to fraction form
    14,458.80/21,689.20 = 6,137.84/x
  3. Step 3: Cross multiply
    14,458.80x = 21,689.20 × 6,137.84
  4. Step 4: Simplify right side
    14,458.80x = 133,124,839.33
  5. Step 5: Solve for x
    x = 133,124,839.33/14,458.80
  6. Step 6: Final answer
    x = 9,207.18

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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.