Home / 10,743.32-16,108.49-4,819.13

Finding the Fourth Proportional to 10,743.32, 16,108.49 and 4,819.13

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Solution

The fourth proportional to 10,743.32, 16,108.49 and 4,819.13 is: 7,225.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,743.32 : 16,108.49 = 4,819.13 : x
  2. Step 2: Convert to fraction form
    10,743.32/16,108.49 = 4,819.13/x
  3. Step 3: Cross multiply
    10,743.32x = 16,108.49 × 4,819.13
  4. Step 4: Simplify right side
    10,743.32x = 77,628,802.78
  5. Step 5: Solve for x
    x = 77,628,802.78/10,743.32
  6. Step 6: Final answer
    x = 7,225.78

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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.