Home / 14,408.04-21,621.78-5,641.86

Finding the Fourth Proportional to 14,408.04, 21,621.78 and 5,641.86

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Solution

The fourth proportional to 14,408.04, 21,621.78 and 5,641.86 is: 8,466.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.04 : 21,621.78 = 5,641.86 : x
  2. Step 2: Convert to fraction form
    14,408.04/21,621.78 = 5,641.86/x
  3. Step 3: Cross multiply
    14,408.04x = 21,621.78 × 5,641.86
  4. Step 4: Simplify right side
    14,408.04x = 121,986,919.39
  5. Step 5: Solve for x
    x = 121,986,919.39/14,408.04
  6. Step 6: Final answer
    x = 8,466.59

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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.