Home / 18,131.07-27,196.59-6,444.75

Finding the Fourth Proportional to 18,131.07, 27,196.59 and 6,444.75

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Solution

The fourth proportional to 18,131.07, 27,196.59 and 6,444.75 is: 9,667.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.07 : 27,196.59 = 6,444.75 : x
  2. Step 2: Convert to fraction form
    18,131.07/27,196.59 = 6,444.75/x
  3. Step 3: Cross multiply
    18,131.07x = 27,196.59 × 6,444.75
  4. Step 4: Simplify right side
    18,131.07x = 175,275,223.40
  5. Step 5: Solve for x
    x = 175,275,223.40/18,131.07
  6. Step 6: Final answer
    x = 9,667.12

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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.