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Finding the Fourth Proportional to 10,963.32, 16,449.30 and 4,803

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Solution

The fourth proportional to 10,963.32, 16,449.30 and 4,803 is: 7,206.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.32 : 16,449.30 = 4,803 : x
  2. Step 2: Convert to fraction form
    10,963.32/16,449.30 = 4,803/x
  3. Step 3: Cross multiply
    10,963.32x = 16,449.30 × 4,803
  4. Step 4: Simplify right side
    10,963.32x = 79,005,987.90
  5. Step 5: Solve for x
    x = 79,005,987.90/10,963.32
  6. Step 6: Final answer
    x = 7,206.39

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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.