Home / 18,538.79-27,811.22-6,055.20

Finding the Fourth Proportional to 18,538.79, 27,811.22 and 6,055.20

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Solution

The fourth proportional to 18,538.79, 27,811.22 and 6,055.20 is: 9,083.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.79 : 27,811.22 = 6,055.20 : x
  2. Step 2: Convert to fraction form
    18,538.79/27,811.22 = 6,055.20/x
  3. Step 3: Cross multiply
    18,538.79x = 27,811.22 × 6,055.20
  4. Step 4: Simplify right side
    18,538.79x = 168,402,469.07
  5. Step 5: Solve for x
    x = 168,402,469.07/18,538.79
  6. Step 6: Final answer
    x = 9,083.79

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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.