Home / 10,512.42-15,764.77-3,491.16

Finding the Fourth Proportional to 10,512.42, 15,764.77 and 3,491.16

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Solution

The fourth proportional to 10,512.42, 15,764.77 and 3,491.16 is: 5,235.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.42 : 15,764.77 = 3,491.16 : x
  2. Step 2: Convert to fraction form
    10,512.42/15,764.77 = 3,491.16/x
  3. Step 3: Cross multiply
    10,512.42x = 15,764.77 × 3,491.16
  4. Step 4: Simplify right side
    10,512.42x = 55,037,334.43
  5. Step 5: Solve for x
    x = 55,037,334.43/10,512.42
  6. Step 6: Final answer
    x = 5,235.46

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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.