Home / 14,479.63-21,719.44-4,091.65

Finding the Fourth Proportional to 14,479.63, 21,719.44 and 4,091.65

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Solution

The fourth proportional to 14,479.63, 21,719.44 and 4,091.65 is: 6,137.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479.63 : 21,719.44 = 4,091.65 : x
  2. Step 2: Convert to fraction form
    14,479.63/21,719.44 = 4,091.65/x
  3. Step 3: Cross multiply
    14,479.63x = 21,719.44 × 4,091.65
  4. Step 4: Simplify right side
    14,479.63x = 88,868,346.68
  5. Step 5: Solve for x
    x = 88,868,346.68/14,479.63
  6. Step 6: Final answer
    x = 6,137.47

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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.