Home / 20,158.48-30,237.67-7,010.83

Finding the Fourth Proportional to 20,158.48, 30,237.67 and 7,010.83

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Solution

The fourth proportional to 20,158.48, 30,237.67 and 7,010.83 is: 10,516.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158.48 : 30,237.67 = 7,010.83 : x
  2. Step 2: Convert to fraction form
    20,158.48/30,237.67 = 7,010.83/x
  3. Step 3: Cross multiply
    20,158.48x = 30,237.67 × 7,010.83
  4. Step 4: Simplify right side
    20,158.48x = 211,991,163.97
  5. Step 5: Solve for x
    x = 211,991,163.97/20,158.48
  6. Step 6: Final answer
    x = 10,516.23

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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.