Home / 18,381.03-27,574.12-7,288.84

Finding the Fourth Proportional to 18,381.03, 27,574.12 and 7,288.84

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Solution

The fourth proportional to 18,381.03, 27,574.12 and 7,288.84 is: 10,934.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381.03 : 27,574.12 = 7,288.84 : x
  2. Step 2: Convert to fraction form
    18,381.03/27,574.12 = 7,288.84/x
  3. Step 3: Cross multiply
    18,381.03x = 27,574.12 × 7,288.84
  4. Step 4: Simplify right side
    18,381.03x = 200,983,237.30
  5. Step 5: Solve for x
    x = 200,983,237.30/18,381.03
  6. Step 6: Final answer
    x = 10,934.28

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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.