Home / 18,218.16-27,327.23-5,070.87

Finding the Fourth Proportional to 18,218.16, 27,327.23 and 5,070.87

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Solution

The fourth proportional to 18,218.16, 27,327.23 and 5,070.87 is: 7,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.16 : 27,327.23 = 5,070.87 : x
  2. Step 2: Convert to fraction form
    18,218.16/27,327.23 = 5,070.87/x
  3. Step 3: Cross multiply
    18,218.16x = 27,327.23 × 5,070.87
  4. Step 4: Simplify right side
    18,218.16x = 138,572,843.47
  5. Step 5: Solve for x
    x = 138,572,843.47/18,218.16
  6. Step 6: Final answer
    x = 7,606.30

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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.