Home / 14,478.67-21,719.22-4,619.35

Finding the Fourth Proportional to 14,478.67, 21,719.22 and 4,619.35

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Solution

The fourth proportional to 14,478.67, 21,719.22 and 4,619.35 is: 6,929.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,478.67 : 21,719.22 = 4,619.35 : x
  2. Step 2: Convert to fraction form
    14,478.67/21,719.22 = 4,619.35/x
  3. Step 3: Cross multiply
    14,478.67x = 21,719.22 × 4,619.35
  4. Step 4: Simplify right side
    14,478.67x = 100,328,678.91
  5. Step 5: Solve for x
    x = 100,328,678.91/14,478.67
  6. Step 6: Final answer
    x = 6,929.41

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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.