Home / 12,761.10-19,127.97-6,178.23

Finding the Fourth Proportional to 12,761.10, 19,127.97 and 6,178.23

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Solution

The fourth proportional to 12,761.10, 19,127.97 and 6,178.23 is: 9,260.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761.10 : 19,127.97 = 6,178.23 : x
  2. Step 2: Convert to fraction form
    12,761.10/19,127.97 = 6,178.23/x
  3. Step 3: Cross multiply
    12,761.10x = 19,127.97 × 6,178.23
  4. Step 4: Simplify right side
    12,761.10x = 118,176,998.09
  5. Step 5: Solve for x
    x = 118,176,998.09/12,761.10
  6. Step 6: Final answer
    x = 9,260.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.