Home / 11,207.89-15,468.74-8,550.28

Finding the Fourth Proportional to 11,207.89, 15,468.74 and 8,550.28

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Solution

The fourth proportional to 11,207.89, 15,468.74 and 8,550.28 is: 11,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.89 : 15,468.74 = 8,550.28 : x
  2. Step 2: Convert to fraction form
    11,207.89/15,468.74 = 8,550.28/x
  3. Step 3: Cross multiply
    11,207.89x = 15,468.74 × 8,550.28
  4. Step 4: Simplify right side
    11,207.89x = 132,262,058.25
  5. Step 5: Solve for x
    x = 132,262,058.25/11,207.89
  6. Step 6: Final answer
    x = 11,800.80

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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.