Home / 18,090.94-27,140.31-5,610.72

Finding the Fourth Proportional to 18,090.94, 27,140.31 and 5,610.72

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Solution

The fourth proportional to 18,090.94, 27,140.31 and 5,610.72 is: 8,417.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.94 : 27,140.31 = 5,610.72 : x
  2. Step 2: Convert to fraction form
    18,090.94/27,140.31 = 5,610.72/x
  3. Step 3: Cross multiply
    18,090.94x = 27,140.31 × 5,610.72
  4. Step 4: Simplify right side
    18,090.94x = 152,276,680.12
  5. Step 5: Solve for x
    x = 152,276,680.12/18,090.94
  6. Step 6: Final answer
    x = 8,417.29

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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.