Home / 10,743.02-16,120.92-5,812.56

Finding the Fourth Proportional to 10,743.02, 16,120.92 and 5,812.56

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Solution

The fourth proportional to 10,743.02, 16,120.92 and 5,812.56 is: 8,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,743.02 : 16,120.92 = 5,812.56 : x
  2. Step 2: Convert to fraction form
    10,743.02/16,120.92 = 5,812.56/x
  3. Step 3: Cross multiply
    10,743.02x = 16,120.92 × 5,812.56
  4. Step 4: Simplify right side
    10,743.02x = 93,703,814.76
  5. Step 5: Solve for x
    x = 93,703,814.76/10,743.02
  6. Step 6: Final answer
    x = 8,722.30

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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.