Home / 20,157.66-30,239.22-7,008.33

Finding the Fourth Proportional to 20,157.66, 30,239.22 and 7,008.33

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Solution

The fourth proportional to 20,157.66, 30,239.22 and 7,008.33 is: 10,513.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157.66 : 30,239.22 = 7,008.33 : x
  2. Step 2: Convert to fraction form
    20,157.66/30,239.22 = 7,008.33/x
  3. Step 3: Cross multiply
    20,157.66x = 30,239.22 × 7,008.33
  4. Step 4: Simplify right side
    20,157.66x = 211,926,432.70
  5. Step 5: Solve for x
    x = 211,926,432.70/20,157.66
  6. Step 6: Final answer
    x = 10,513.44

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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.