Home / 18,631.27-27,946.92-7,538.06

Finding the Fourth Proportional to 18,631.27, 27,946.92 and 7,538.06

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Solution

The fourth proportional to 18,631.27, 27,946.92 and 7,538.06 is: 11,307.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.27 : 27,946.92 = 7,538.06 : x
  2. Step 2: Convert to fraction form
    18,631.27/27,946.92 = 7,538.06/x
  3. Step 3: Cross multiply
    18,631.27x = 27,946.92 × 7,538.06
  4. Step 4: Simplify right side
    18,631.27x = 210,665,420.04
  5. Step 5: Solve for x
    x = 210,665,420.04/18,631.27
  6. Step 6: Final answer
    x = 11,307.09

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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.