Home / 14,443.20-21,665.40-4,582.86

Finding the Fourth Proportional to 14,443.20, 21,665.40 and 4,582.86

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Solution

The fourth proportional to 14,443.20, 21,665.40 and 4,582.86 is: 6,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443.20 : 21,665.40 = 4,582.86 : x
  2. Step 2: Convert to fraction form
    14,443.20/21,665.40 = 4,582.86/x
  3. Step 3: Cross multiply
    14,443.20x = 21,665.40 × 4,582.86
  4. Step 4: Simplify right side
    14,443.20x = 99,289,495.04
  5. Step 5: Solve for x
    x = 99,289,495.04/14,443.20
  6. Step 6: Final answer
    x = 6,874.48

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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.