Home / 8,308.35-11,442.20-8,126.91

Finding the Fourth Proportional to 8,308.35, 11,442.20 and 8,126.91

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Solution

The fourth proportional to 8,308.35, 11,442.20 and 8,126.91 is: 11,192.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.35 : 11,442.20 = 8,126.91 : x
  2. Step 2: Convert to fraction form
    8,308.35/11,442.20 = 8,126.91/x
  3. Step 3: Cross multiply
    8,308.35x = 11,442.20 × 8,126.91
  4. Step 4: Simplify right side
    8,308.35x = 92,989,688.97
  5. Step 5: Solve for x
    x = 92,989,688.97/8,308.35
  6. Step 6: Final answer
    x = 11,192.32

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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.