Home / 14,339.85-21,513.87-4,479.27

Finding the Fourth Proportional to 14,339.85, 21,513.87 and 4,479.27

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Solution

The fourth proportional to 14,339.85, 21,513.87 and 4,479.27 is: 6,720.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.85 : 21,513.87 = 4,479.27 : x
  2. Step 2: Convert to fraction form
    14,339.85/21,513.87 = 4,479.27/x
  3. Step 3: Cross multiply
    14,339.85x = 21,513.87 × 4,479.27
  4. Step 4: Simplify right side
    14,339.85x = 96,366,432.47
  5. Step 5: Solve for x
    x = 96,366,432.47/14,339.85
  6. Step 6: Final answer
    x = 6,720.18

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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.