Home / 18,125.70-27,185.49-4,975.02

Finding the Fourth Proportional to 18,125.70, 27,185.49 and 4,975.02

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Solution

The fourth proportional to 18,125.70, 27,185.49 and 4,975.02 is: 7,461.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.70 : 27,185.49 = 4,975.02 : x
  2. Step 2: Convert to fraction form
    18,125.70/27,185.49 = 4,975.02/x
  3. Step 3: Cross multiply
    18,125.70x = 27,185.49 × 4,975.02
  4. Step 4: Simplify right side
    18,125.70x = 135,248,356.46
  5. Step 5: Solve for x
    x = 135,248,356.46/18,125.70
  6. Step 6: Final answer
    x = 7,461.69

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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.