Home / 20,206.70-30,309.32-6,166.16

Finding the Fourth Proportional to 20,206.70, 30,309.32 and 6,166.16

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Solution

The fourth proportional to 20,206.70, 30,309.32 and 6,166.16 is: 9,249.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,206.70 : 30,309.32 = 6,166.16 : x
  2. Step 2: Convert to fraction form
    20,206.70/30,309.32 = 6,166.16/x
  3. Step 3: Cross multiply
    20,206.70x = 30,309.32 × 6,166.16
  4. Step 4: Simplify right side
    20,206.70x = 186,891,934.23
  5. Step 5: Solve for x
    x = 186,891,934.23/20,206.70
  6. Step 6: Final answer
    x = 9,249.01

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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.