Home / 10,963.91-16,422.28-6,270.75

Finding the Fourth Proportional to 10,963.91, 16,422.28 and 6,270.75

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Solution

The fourth proportional to 10,963.91, 16,422.28 and 6,270.75 is: 9,392.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.91 : 16,422.28 = 6,270.75 : x
  2. Step 2: Convert to fraction form
    10,963.91/16,422.28 = 6,270.75/x
  3. Step 3: Cross multiply
    10,963.91x = 16,422.28 × 6,270.75
  4. Step 4: Simplify right side
    10,963.91x = 102,979,996.63
  5. Step 5: Solve for x
    x = 102,979,996.63/10,963.91
  6. Step 6: Final answer
    x = 9,392.63

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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.