Home / 15,126.73-20,874.53-8,227.72

Finding the Fourth Proportional to 15,126.73, 20,874.53 and 8,227.72

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Solution

The fourth proportional to 15,126.73, 20,874.53 and 8,227.72 is: 11,354.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126.73 : 20,874.53 = 8,227.72 : x
  2. Step 2: Convert to fraction form
    15,126.73/20,874.53 = 8,227.72/x
  3. Step 3: Cross multiply
    15,126.73x = 20,874.53 × 8,227.72
  4. Step 4: Simplify right side
    15,126.73x = 171,749,746.83
  5. Step 5: Solve for x
    x = 171,749,746.83/15,126.73
  6. Step 6: Final answer
    x = 11,354.06

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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.