Home / 18,060.79-27,090.67-5,579.00

Finding the Fourth Proportional to 18,060.79, 27,090.67 and 5,579.00

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Solution

The fourth proportional to 18,060.79, 27,090.67 and 5,579.00 is: 8,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,060.79 : 27,090.67 = 5,579.00 : x
  2. Step 2: Convert to fraction form
    18,060.79/27,090.67 = 5,579.00/x
  3. Step 3: Cross multiply
    18,060.79x = 27,090.67 × 5,579.00
  4. Step 4: Simplify right side
    18,060.79x = 151,138,691.80
  5. Step 5: Solve for x
    x = 151,138,691.80/18,060.79
  6. Step 6: Final answer
    x = 8,368.33

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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.