Home / 11,285.88-15,556.50-8,892.06

Finding the Fourth Proportional to 11,285.88, 15,556.50 and 8,892.06

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Solution

The fourth proportional to 11,285.88, 15,556.50 and 8,892.06 is: 12,256.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.88 : 15,556.50 = 8,892.06 : x
  2. Step 2: Convert to fraction form
    11,285.88/15,556.50 = 8,892.06/x
  3. Step 3: Cross multiply
    11,285.88x = 15,556.50 × 8,892.06
  4. Step 4: Simplify right side
    11,285.88x = 138,329,331.39
  5. Step 5: Solve for x
    x = 138,329,331.39/11,285.88
  6. Step 6: Final answer
    x = 12,256.85

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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.