Home / 10,118.44-13,963.26-5,642.56

Finding the Fourth Proportional to 10,118.44, 13,963.26 and 5,642.56

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Solution

The fourth proportional to 10,118.44, 13,963.26 and 5,642.56 is: 7,786.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.44 : 13,963.26 = 5,642.56 : x
  2. Step 2: Convert to fraction form
    10,118.44/13,963.26 = 5,642.56/x
  3. Step 3: Cross multiply
    10,118.44x = 13,963.26 × 5,642.56
  4. Step 4: Simplify right side
    10,118.44x = 78,788,532.35
  5. Step 5: Solve for x
    x = 78,788,532.35/10,118.44
  6. Step 6: Final answer
    x = 7,786.63

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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.