Home / 18,241.07-27,345.45-7,155.71

Finding the Fourth Proportional to 18,241.07, 27,345.45 and 7,155.71

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Solution

The fourth proportional to 18,241.07, 27,345.45 and 7,155.71 is: 10,727.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241.07 : 27,345.45 = 7,155.71 : x
  2. Step 2: Convert to fraction form
    18,241.07/27,345.45 = 7,155.71/x
  3. Step 3: Cross multiply
    18,241.07x = 27,345.45 × 7,155.71
  4. Step 4: Simplify right side
    18,241.07x = 195,676,205.22
  5. Step 5: Solve for x
    x = 195,676,205.22/18,241.07
  6. Step 6: Final answer
    x = 10,727.23

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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.