Home / 13,544.37-18,694.14-8,240.90

Finding the Fourth Proportional to 13,544.37, 18,694.14 and 8,240.90

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Solution

The fourth proportional to 13,544.37, 18,694.14 and 8,240.90 is: 11,374.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.37 : 18,694.14 = 8,240.90 : x
  2. Step 2: Convert to fraction form
    13,544.37/18,694.14 = 8,240.90/x
  3. Step 3: Cross multiply
    13,544.37x = 18,694.14 × 8,240.90
  4. Step 4: Simplify right side
    13,544.37x = 154,056,444.86
  5. Step 5: Solve for x
    x = 154,056,444.86/13,544.37
  6. Step 6: Final answer
    x = 11,374.21

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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.