Home / 14,066.72-19,408.91-8,400.44

Finding the Fourth Proportional to 14,066.72, 19,408.91 and 8,400.44

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Solution

The fourth proportional to 14,066.72, 19,408.91 and 8,400.44 is: 11,590.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,066.72 : 19,408.91 = 8,400.44 : x
  2. Step 2: Convert to fraction form
    14,066.72/19,408.91 = 8,400.44/x
  3. Step 3: Cross multiply
    14,066.72x = 19,408.91 × 8,400.44
  4. Step 4: Simplify right side
    14,066.72x = 163,043,244.87
  5. Step 5: Solve for x
    x = 163,043,244.87/14,066.72
  6. Step 6: Final answer
    x = 11,590.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.