Home / 17,108.94-25,663.05-7,742.28

Finding the Fourth Proportional to 17,108.94, 25,663.05 and 7,742.28

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Solution

The fourth proportional to 17,108.94, 25,663.05 and 7,742.28 is: 11,613.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,108.94 : 25,663.05 = 7,742.28 : x
  2. Step 2: Convert to fraction form
    17,108.94/25,663.05 = 7,742.28/x
  3. Step 3: Cross multiply
    17,108.94x = 25,663.05 × 7,742.28
  4. Step 4: Simplify right side
    17,108.94x = 198,690,518.75
  5. Step 5: Solve for x
    x = 198,690,518.75/17,108.94
  6. Step 6: Final answer
    x = 11,613.26

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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.