Home / 18,795.84-28,196.09-6,145.31

Finding the Fourth Proportional to 18,795.84, 28,196.09 and 6,145.31

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Solution

The fourth proportional to 18,795.84, 28,196.09 and 6,145.31 is: 9,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.84 : 28,196.09 = 6,145.31 : x
  2. Step 2: Convert to fraction form
    18,795.84/28,196.09 = 6,145.31/x
  3. Step 3: Cross multiply
    18,795.84x = 28,196.09 × 6,145.31
  4. Step 4: Simplify right side
    18,795.84x = 173,273,542.13
  5. Step 5: Solve for x
    x = 173,273,542.13/18,795.84
  6. Step 6: Final answer
    x = 9,218.72

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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.