Home / 14,408.41-21,622.34-5,642.23

Finding the Fourth Proportional to 14,408.41, 21,622.34 and 5,642.23

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Solution

The fourth proportional to 14,408.41, 21,622.34 and 5,642.23 is: 8,467.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.41 : 21,622.34 = 5,642.23 : x
  2. Step 2: Convert to fraction form
    14,408.41/21,622.34 = 5,642.23/x
  3. Step 3: Cross multiply
    14,408.41x = 21,622.34 × 5,642.23
  4. Step 4: Simplify right side
    14,408.41x = 121,998,215.42
  5. Step 5: Solve for x
    x = 121,998,215.42/14,408.41
  6. Step 6: Final answer
    x = 8,467.15

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1.5x scale

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.