Home / 18,013.50-27,021.26-4,866.90

Finding the Fourth Proportional to 18,013.50, 27,021.26 and 4,866.90

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Solution

The fourth proportional to 18,013.50, 27,021.26 and 4,866.90 is: 7,300.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,013.50 : 27,021.26 = 4,866.90 : x
  2. Step 2: Convert to fraction form
    18,013.50/27,021.26 = 4,866.90/x
  3. Step 3: Cross multiply
    18,013.50x = 27,021.26 × 4,866.90
  4. Step 4: Simplify right side
    18,013.50x = 131,509,770.29
  5. Step 5: Solve for x
    x = 131,509,770.29/18,013.50
  6. Step 6: Final answer
    x = 7,300.62

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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.