Home / 11,206.89-15,467.36-8,549.28

Finding the Fourth Proportional to 11,206.89, 15,467.36 and 8,549.28

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Solution

The fourth proportional to 11,206.89, 15,467.36 and 8,549.28 is: 11,799.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.89 : 15,467.36 = 8,549.28 : x
  2. Step 2: Convert to fraction form
    11,206.89/15,467.36 = 8,549.28/x
  3. Step 3: Cross multiply
    11,206.89x = 15,467.36 × 8,549.28
  4. Step 4: Simplify right side
    11,206.89x = 132,234,748.75
  5. Step 5: Solve for x
    x = 132,234,748.75/11,206.89
  6. Step 6: Final answer
    x = 11,799.42

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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.