Home / 18,360.09-27,540.15-5,033.19

Finding the Fourth Proportional to 18,360.09, 27,540.15 and 5,033.19

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Solution

The fourth proportional to 18,360.09, 27,540.15 and 5,033.19 is: 7,549.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.09 : 27,540.15 = 5,033.19 : x
  2. Step 2: Convert to fraction form
    18,360.09/27,540.15 = 5,033.19/x
  3. Step 3: Cross multiply
    18,360.09x = 27,540.15 × 5,033.19
  4. Step 4: Simplify right side
    18,360.09x = 138,614,807.58
  5. Step 5: Solve for x
    x = 138,614,807.58/18,360.09
  6. Step 6: Final answer
    x = 7,549.79

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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.