Home / 8,068.86-11,107.38-7,000.34

Finding the Fourth Proportional to 8,068.86, 11,107.38 and 7,000.34

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Solution

The fourth proportional to 8,068.86, 11,107.38 and 7,000.34 is: 9,636.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.86 : 11,107.38 = 7,000.34 : x
  2. Step 2: Convert to fraction form
    8,068.86/11,107.38 = 7,000.34/x
  3. Step 3: Cross multiply
    8,068.86x = 11,107.38 × 7,000.34
  4. Step 4: Simplify right side
    8,068.86x = 77,755,380.97
  5. Step 5: Solve for x
    x = 77,755,380.97/8,068.86
  6. Step 6: Final answer
    x = 9,636.48

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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.