Home / 18,300.11-27,431.64-7,202.45

Finding the Fourth Proportional to 18,300.11, 27,431.64 and 7,202.45

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Solution

The fourth proportional to 18,300.11, 27,431.64 and 7,202.45 is: 10,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300.11 : 27,431.64 = 7,202.45 : x
  2. Step 2: Convert to fraction form
    18,300.11/27,431.64 = 7,202.45/x
  3. Step 3: Cross multiply
    18,300.11x = 27,431.64 × 7,202.45
  4. Step 4: Simplify right side
    18,300.11x = 197,575,084.10
  5. Step 5: Solve for x
    x = 197,575,084.10/18,300.11
  6. Step 6: Final answer
    x = 10,796.39

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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.