Home / 14,478.36-21,722.40-4,619.04

Finding the Fourth Proportional to 14,478.36, 21,722.40 and 4,619.04

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Solution

The fourth proportional to 14,478.36, 21,722.40 and 4,619.04 is: 6,930.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,478.36 : 21,722.40 = 4,619.04 : x
  2. Step 2: Convert to fraction form
    14,478.36/21,722.40 = 4,619.04/x
  3. Step 3: Cross multiply
    14,478.36x = 21,722.40 × 4,619.04
  4. Step 4: Simplify right side
    14,478.36x = 100,336,634.50
  5. Step 5: Solve for x
    x = 100,336,634.50/14,478.36
  6. Step 6: Final answer
    x = 6,930.11

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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.