Home / 10,843.40-14,963.28-6,127.76

Finding the Fourth Proportional to 10,843.40, 14,963.28 and 6,127.76

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Solution

The fourth proportional to 10,843.40, 14,963.28 and 6,127.76 is: 8,455.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,843.40 : 14,963.28 = 6,127.76 : x
  2. Step 2: Convert to fraction form
    10,843.40/14,963.28 = 6,127.76/x
  3. Step 3: Cross multiply
    10,843.40x = 14,963.28 × 6,127.76
  4. Step 4: Simplify right side
    10,843.40x = 91,691,388.65
  5. Step 5: Solve for x
    x = 91,691,388.65/10,843.40
  6. Step 6: Final answer
    x = 8,455.96

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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.