Home / 18,058.31-27,090.34-5,575.40

Finding the Fourth Proportional to 18,058.31, 27,090.34 and 5,575.40

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Solution

The fourth proportional to 18,058.31, 27,090.34 and 5,575.40 is: 8,363.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.31 : 27,090.34 = 5,575.40 : x
  2. Step 2: Convert to fraction form
    18,058.31/27,090.34 = 5,575.40/x
  3. Step 3: Cross multiply
    18,058.31x = 27,090.34 × 5,575.40
  4. Step 4: Simplify right side
    18,058.31x = 151,039,433.83
  5. Step 5: Solve for x
    x = 151,039,433.83/18,058.31
  6. Step 6: Final answer
    x = 8,363.99

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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.