Home / 18,223.14-27,334.72-7,130.20

Finding the Fourth Proportional to 18,223.14, 27,334.72 and 7,130.20

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Solution

The fourth proportional to 18,223.14, 27,334.72 and 7,130.20 is: 10,695.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.14 : 27,334.72 = 7,130.20 : x
  2. Step 2: Convert to fraction form
    18,223.14/27,334.72 = 7,130.20/x
  3. Step 3: Cross multiply
    18,223.14x = 27,334.72 × 7,130.20
  4. Step 4: Simplify right side
    18,223.14x = 194,902,020.54
  5. Step 5: Solve for x
    x = 194,902,020.54/18,223.14
  6. Step 6: Final answer
    x = 10,695.30

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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.