Home / 18,239.86-27,343.55-7,154.46

Finding the Fourth Proportional to 18,239.86, 27,343.55 and 7,154.46

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Solution

The fourth proportional to 18,239.86, 27,343.55 and 7,154.46 is: 10,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.86 : 27,343.55 = 7,154.46 : x
  2. Step 2: Convert to fraction form
    18,239.86/27,343.55 = 7,154.46/x
  3. Step 3: Cross multiply
    18,239.86x = 27,343.55 × 7,154.46
  4. Step 4: Simplify right side
    18,239.86x = 195,628,334.73
  5. Step 5: Solve for x
    x = 195,628,334.73/18,239.86
  6. Step 6: Final answer
    x = 10,725.32

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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.