Home / 10,838.88-16,252.56-4,990.50

Finding the Fourth Proportional to 10,838.88, 16,252.56 and 4,990.50

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Solution

The fourth proportional to 10,838.88, 16,252.56 and 4,990.50 is: 7,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,838.88 : 16,252.56 = 4,990.50 : x
  2. Step 2: Convert to fraction form
    10,838.88/16,252.56 = 4,990.50/x
  3. Step 3: Cross multiply
    10,838.88x = 16,252.56 × 4,990.50
  4. Step 4: Simplify right side
    10,838.88x = 81,108,400.68
  5. Step 5: Solve for x
    x = 81,108,400.68/10,838.88
  6. Step 6: Final answer
    x = 7,483.10

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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.