Home / 18,160.94-27,190.66-9,811.04

Finding the Fourth Proportional to 18,160.94, 27,190.66 and 9,811.04

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Solution

The fourth proportional to 18,160.94, 27,190.66 and 9,811.04 is: 14,689.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.94 : 27,190.66 = 9,811.04 : x
  2. Step 2: Convert to fraction form
    18,160.94/27,190.66 = 9,811.04/x
  3. Step 3: Cross multiply
    18,160.94x = 27,190.66 × 9,811.04
  4. Step 4: Simplify right side
    18,160.94x = 266,768,696.34
  5. Step 5: Solve for x
    x = 266,768,696.34/18,160.94
  6. Step 6: Final answer
    x = 14,689.14

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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.