Home / 18,438.14-27,659.94-6,750.45

Finding the Fourth Proportional to 18,438.14, 27,659.94 and 6,750.45

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Solution

The fourth proportional to 18,438.14, 27,659.94 and 6,750.45 is: 10,126.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438.14 : 27,659.94 = 6,750.45 : x
  2. Step 2: Convert to fraction form
    18,438.14/27,659.94 = 6,750.45/x
  3. Step 3: Cross multiply
    18,438.14x = 27,659.94 × 6,750.45
  4. Step 4: Simplify right side
    18,438.14x = 186,717,041.97
  5. Step 5: Solve for x
    x = 186,717,041.97/18,438.14
  6. Step 6: Final answer
    x = 10,126.68

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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.