Home / 11,344.57-15,655.21-6,308.53

Finding the Fourth Proportional to 11,344.57, 15,655.21 and 6,308.53

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Solution

The fourth proportional to 11,344.57, 15,655.21 and 6,308.53 is: 8,705.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,344.57 : 15,655.21 = 6,308.53 : x
  2. Step 2: Convert to fraction form
    11,344.57/15,655.21 = 6,308.53/x
  3. Step 3: Cross multiply
    11,344.57x = 15,655.21 × 6,308.53
  4. Step 4: Simplify right side
    11,344.57x = 98,761,361.94
  5. Step 5: Solve for x
    x = 98,761,361.94/11,344.57
  6. Step 6: Final answer
    x = 8,705.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.