Home / 13,786.18-20,677.56-4,425.46

Finding the Fourth Proportional to 13,786.18, 20,677.56 and 4,425.46

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Solution

The fourth proportional to 13,786.18, 20,677.56 and 4,425.46 is: 6,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786.18 : 20,677.56 = 4,425.46 : x
  2. Step 2: Convert to fraction form
    13,786.18/20,677.56 = 4,425.46/x
  3. Step 3: Cross multiply
    13,786.18x = 20,677.56 × 4,425.46
  4. Step 4: Simplify right side
    13,786.18x = 91,507,714.68
  5. Step 5: Solve for x
    x = 91,507,714.68/13,786.18
  6. Step 6: Final answer
    x = 6,637.64

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1.5x scale

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.