Home / 17,878.56-24,668.82-10,805.38

Finding the Fourth Proportional to 17,878.56, 24,668.82 and 10,805.38

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Solution

The fourth proportional to 17,878.56, 24,668.82 and 10,805.38 is: 14,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,878.56 : 24,668.82 = 10,805.38 : x
  2. Step 2: Convert to fraction form
    17,878.56/24,668.82 = 10,805.38/x
  3. Step 3: Cross multiply
    17,878.56x = 24,668.82 × 10,805.38
  4. Step 4: Simplify right side
    17,878.56x = 266,555,974.25
  5. Step 5: Solve for x
    x = 266,555,974.25/17,878.56
  6. Step 6: Final answer
    x = 14,909.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.