Home / 18,122.94-27,184.71-4,975.22

Finding the Fourth Proportional to 18,122.94, 27,184.71 and 4,975.22

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Solution

The fourth proportional to 18,122.94, 27,184.71 and 4,975.22 is: 7,462.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122.94 : 27,184.71 = 4,975.22 : x
  2. Step 2: Convert to fraction form
    18,122.94/27,184.71 = 4,975.22/x
  3. Step 3: Cross multiply
    18,122.94x = 27,184.71 × 4,975.22
  4. Step 4: Simplify right side
    18,122.94x = 135,249,999.51
  5. Step 5: Solve for x
    x = 135,249,999.51/18,122.94
  6. Step 6: Final answer
    x = 7,462.92

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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.