Home / 14,479.90-21,719.88-4,619.97

Finding the Fourth Proportional to 14,479.90, 21,719.88 and 4,619.97

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Solution

The fourth proportional to 14,479.90, 21,719.88 and 4,619.97 is: 6,929.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479.90 : 21,719.88 = 4,619.97 : x
  2. Step 2: Convert to fraction form
    14,479.90/21,719.88 = 4,619.97/x
  3. Step 3: Cross multiply
    14,479.90x = 21,719.88 × 4,619.97
  4. Step 4: Simplify right side
    14,479.90x = 100,345,194.00
  5. Step 5: Solve for x
    x = 100,345,194.00/14,479.90
  6. Step 6: Final answer
    x = 6,929.97

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1.5x scale

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.