Home / 14,479.72-21,719.40-4,091.56

Finding the Fourth Proportional to 14,479.72, 21,719.40 and 4,091.56

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Solution

The fourth proportional to 14,479.72, 21,719.40 and 4,091.56 is: 6,137.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479.72 : 21,719.40 = 4,091.56 : x
  2. Step 2: Convert to fraction form
    14,479.72/21,719.40 = 4,091.56/x
  3. Step 3: Cross multiply
    14,479.72x = 21,719.40 × 4,091.56
  4. Step 4: Simplify right side
    14,479.72x = 88,866,228.26
  5. Step 5: Solve for x
    x = 88,866,228.26/14,479.72
  6. Step 6: Final answer
    x = 6,137.29

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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.