Home / 20,144.70-30,206.67-9,041.87

Finding the Fourth Proportional to 20,144.70, 30,206.67 and 9,041.87

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Solution

The fourth proportional to 20,144.70, 30,206.67 and 9,041.87 is: 13,558.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,144.70 : 30,206.67 = 9,041.87 : x
  2. Step 2: Convert to fraction form
    20,144.70/30,206.67 = 9,041.87/x
  3. Step 3: Cross multiply
    20,144.70x = 30,206.67 × 9,041.87
  4. Step 4: Simplify right side
    20,144.70x = 273,124,783.27
  5. Step 5: Solve for x
    x = 273,124,783.27/20,144.70
  6. Step 6: Final answer
    x = 13,558.15

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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.