Home / 14,214.16-19,615.48-8,249.28

Finding the Fourth Proportional to 14,214.16, 19,615.48 and 8,249.28

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Solution

The fourth proportional to 14,214.16, 19,615.48 and 8,249.28 is: 11,383.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.16 : 19,615.48 = 8,249.28 : x
  2. Step 2: Convert to fraction form
    14,214.16/19,615.48 = 8,249.28/x
  3. Step 3: Cross multiply
    14,214.16x = 19,615.48 × 8,249.28
  4. Step 4: Simplify right side
    14,214.16x = 161,813,586.85
  5. Step 5: Solve for x
    x = 161,813,586.85/14,214.16
  6. Step 6: Final answer
    x = 11,383.97

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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.