Home / 12,350.72-17,043.99-6,761.72

Finding the Fourth Proportional to 12,350.72, 17,043.99 and 6,761.72

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Solution

The fourth proportional to 12,350.72, 17,043.99 and 6,761.72 is: 9,331.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.72 : 17,043.99 = 6,761.72 : x
  2. Step 2: Convert to fraction form
    12,350.72/17,043.99 = 6,761.72/x
  3. Step 3: Cross multiply
    12,350.72x = 17,043.99 × 6,761.72
  4. Step 4: Simplify right side
    12,350.72x = 115,246,730.67
  5. Step 5: Solve for x
    x = 115,246,730.67/12,350.72
  6. Step 6: Final answer
    x = 9,331.17

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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.