Home / 18,272.06-27,406.05-5,124.94

Finding the Fourth Proportional to 18,272.06, 27,406.05 and 5,124.94

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Solution

The fourth proportional to 18,272.06, 27,406.05 and 5,124.94 is: 7,686.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.06 : 27,406.05 = 5,124.94 : x
  2. Step 2: Convert to fraction form
    18,272.06/27,406.05 = 5,124.94/x
  3. Step 3: Cross multiply
    18,272.06x = 27,406.05 × 5,124.94
  4. Step 4: Simplify right side
    18,272.06x = 140,454,361.89
  5. Step 5: Solve for x
    x = 140,454,361.89/18,272.06
  6. Step 6: Final answer
    x = 7,686.84

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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.