Home / 18,069.57-27,120.56-15,126.44

Finding the Fourth Proportional to 18,069.57, 27,120.56 and 15,126.44

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Solution

The fourth proportional to 18,069.57, 27,120.56 and 15,126.44 is: 22,703.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069.57 : 27,120.56 = 15,126.44 : x
  2. Step 2: Convert to fraction form
    18,069.57/27,120.56 = 15,126.44/x
  3. Step 3: Cross multiply
    18,069.57x = 27,120.56 × 15,126.44
  4. Step 4: Simplify right side
    18,069.57x = 410,237,312.37
  5. Step 5: Solve for x
    x = 410,237,312.37/18,069.57
  6. Step 6: Final answer
    x = 22,703.21

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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.