Home / 18,492.09-27,742.80-5,344.38

Finding the Fourth Proportional to 18,492.09, 27,742.80 and 5,344.38

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Solution

The fourth proportional to 18,492.09, 27,742.80 and 5,344.38 is: 8,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,492.09 : 27,742.80 = 5,344.38 : x
  2. Step 2: Convert to fraction form
    18,492.09/27,742.80 = 5,344.38/x
  3. Step 3: Cross multiply
    18,492.09x = 27,742.80 × 5,344.38
  4. Step 4: Simplify right side
    18,492.09x = 148,268,065.46
  5. Step 5: Solve for x
    x = 148,268,065.46/18,492.09
  6. Step 6: Final answer
    x = 8,017.92

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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.