Home / 18,492.27-27,737.69-10,188.75

Finding the Fourth Proportional to 18,492.27, 27,737.69 and 10,188.75

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Solution

The fourth proportional to 18,492.27, 27,737.69 and 10,188.75 is: 15,282.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,492.27 : 27,737.69 = 10,188.75 : x
  2. Step 2: Convert to fraction form
    18,492.27/27,737.69 = 10,188.75/x
  3. Step 3: Cross multiply
    18,492.27x = 27,737.69 × 10,188.75
  4. Step 4: Simplify right side
    18,492.27x = 282,612,338.04
  5. Step 5: Solve for x
    x = 282,612,338.04/18,492.27
  6. Step 6: Final answer
    x = 15,282.73

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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.