Home / 20,173.98-30,266.25-7,694.22

Finding the Fourth Proportional to 20,173.98, 30,266.25 and 7,694.22

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Solution

The fourth proportional to 20,173.98, 30,266.25 and 7,694.22 is: 11,543.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173.98 : 30,266.25 = 7,694.22 : x
  2. Step 2: Convert to fraction form
    20,173.98/30,266.25 = 7,694.22/x
  3. Step 3: Cross multiply
    20,173.98x = 30,266.25 × 7,694.22
  4. Step 4: Simplify right side
    20,173.98x = 232,875,186.08
  5. Step 5: Solve for x
    x = 232,875,186.08/20,173.98
  6. Step 6: Final answer
    x = 11,543.34

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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.