Home / 20,189.34-30,284.14-7,041.66

Finding the Fourth Proportional to 20,189.34, 30,284.14 and 7,041.66

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Solution

The fourth proportional to 20,189.34, 30,284.14 and 7,041.66 is: 10,562.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,189.34 : 30,284.14 = 7,041.66 : x
  2. Step 2: Convert to fraction form
    20,189.34/30,284.14 = 7,041.66/x
  3. Step 3: Cross multiply
    20,189.34x = 30,284.14 × 7,041.66
  4. Step 4: Simplify right side
    20,189.34x = 213,250,617.27
  5. Step 5: Solve for x
    x = 213,250,617.27/20,189.34
  6. Step 6: Final answer
    x = 10,562.54

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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.