Home / 18,369.72-27,554.81-5,222.07

Finding the Fourth Proportional to 18,369.72, 27,554.81 and 5,222.07

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Solution

The fourth proportional to 18,369.72, 27,554.81 and 5,222.07 is: 7,833.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,369.72 : 27,554.81 = 5,222.07 : x
  2. Step 2: Convert to fraction form
    18,369.72/27,554.81 = 5,222.07/x
  3. Step 3: Cross multiply
    18,369.72x = 27,554.81 × 5,222.07
  4. Step 4: Simplify right side
    18,369.72x = 143,893,120.55
  5. Step 5: Solve for x
    x = 143,893,120.55/18,369.72
  6. Step 6: Final answer
    x = 7,833.17

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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.