Home / 18,195.87-27,299.61-9,307.20

Finding the Fourth Proportional to 18,195.87, 27,299.61 and 9,307.20

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Solution

The fourth proportional to 18,195.87, 27,299.61 and 9,307.20 is: 13,963.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.87 : 27,299.61 = 9,307.20 : x
  2. Step 2: Convert to fraction form
    18,195.87/27,299.61 = 9,307.20/x
  3. Step 3: Cross multiply
    18,195.87x = 27,299.61 × 9,307.20
  4. Step 4: Simplify right side
    18,195.87x = 254,082,930.19
  5. Step 5: Solve for x
    x = 254,082,930.19/18,195.87
  6. Step 6: Final answer
    x = 13,963.77

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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.