Home / 10,992.72-15,167.34-6,212.76

Finding the Fourth Proportional to 10,992.72, 15,167.34 and 6,212.76

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Solution

The fourth proportional to 10,992.72, 15,167.34 and 6,212.76 is: 8,572.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.72 : 15,167.34 = 6,212.76 : x
  2. Step 2: Convert to fraction form
    10,992.72/15,167.34 = 6,212.76/x
  3. Step 3: Cross multiply
    10,992.72x = 15,167.34 × 6,212.76
  4. Step 4: Simplify right side
    10,992.72x = 94,231,043.26
  5. Step 5: Solve for x
    x = 94,231,043.26/10,992.72
  6. Step 6: Final answer
    x = 8,572.13

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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.