Home / 11,859.21-16,365.54-6,553.91

Finding the Fourth Proportional to 11,859.21, 16,365.54 and 6,553.91

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Solution

The fourth proportional to 11,859.21, 16,365.54 and 6,553.91 is: 9,044.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.21 : 16,365.54 = 6,553.91 : x
  2. Step 2: Convert to fraction form
    11,859.21/16,365.54 = 6,553.91/x
  3. Step 3: Cross multiply
    11,859.21x = 16,365.54 × 6,553.91
  4. Step 4: Simplify right side
    11,859.21x = 107,258,341.75
  5. Step 5: Solve for x
    x = 107,258,341.75/11,859.21
  6. Step 6: Final answer
    x = 9,044.31

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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.