Home / 19,245.42-26,558.82-11,287.80

Finding the Fourth Proportional to 19,245.42, 26,558.82 and 11,287.80

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Solution

The fourth proportional to 19,245.42, 26,558.82 and 11,287.80 is: 15,577.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.42 : 26,558.82 = 11,287.80 : x
  2. Step 2: Convert to fraction form
    19,245.42/26,558.82 = 11,287.80/x
  3. Step 3: Cross multiply
    19,245.42x = 26,558.82 × 11,287.80
  4. Step 4: Simplify right side
    19,245.42x = 299,790,648.40
  5. Step 5: Solve for x
    x = 299,790,648.40/19,245.42
  6. Step 6: Final answer
    x = 15,577.25

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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.