Home / 18,159.56-27,206.99-15,500.03

Finding the Fourth Proportional to 18,159.56, 27,206.99 and 15,500.03

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Solution

The fourth proportional to 18,159.56, 27,206.99 and 15,500.03 is: 23,222.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159.56 : 27,206.99 = 15,500.03 : x
  2. Step 2: Convert to fraction form
    18,159.56/27,206.99 = 15,500.03/x
  3. Step 3: Cross multiply
    18,159.56x = 27,206.99 × 15,500.03
  4. Step 4: Simplify right side
    18,159.56x = 421,709,005.80
  5. Step 5: Solve for x
    x = 421,709,005.80/18,159.56
  6. Step 6: Final answer
    x = 23,222.43

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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.