Home / 18,036.24-27,054.36-13,422.48

Finding the Fourth Proportional to 18,036.24, 27,054.36 and 13,422.48

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Solution

The fourth proportional to 18,036.24, 27,054.36 and 13,422.48 is: 20,133.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036.24 : 27,054.36 = 13,422.48 : x
  2. Step 2: Convert to fraction form
    18,036.24/27,054.36 = 13,422.48/x
  3. Step 3: Cross multiply
    18,036.24x = 27,054.36 × 13,422.48
  4. Step 4: Simplify right side
    18,036.24x = 363,136,606.01
  5. Step 5: Solve for x
    x = 363,136,606.01/18,036.24
  6. Step 6: Final answer
    x = 20,133.72

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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.