Home / 11,291.16-15,575.52-8,892.29

Finding the Fourth Proportional to 11,291.16, 15,575.52 and 8,892.29

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Solution

The fourth proportional to 11,291.16, 15,575.52 and 8,892.29 is: 12,266.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.16 : 15,575.52 = 8,892.29 : x
  2. Step 2: Convert to fraction form
    11,291.16/15,575.52 = 8,892.29/x
  3. Step 3: Cross multiply
    11,291.16x = 15,575.52 × 8,892.29
  4. Step 4: Simplify right side
    11,291.16x = 138,502,110.95
  5. Step 5: Solve for x
    x = 138,502,110.95/11,291.16
  6. Step 6: Final answer
    x = 12,266.42

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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.