Home / 20,226.63-30,344.28-7,079.43

Finding the Fourth Proportional to 20,226.63, 30,344.28 and 7,079.43

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Solution

The fourth proportional to 20,226.63, 30,344.28 and 7,079.43 is: 10,620.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.63 : 30,344.28 = 7,079.43 : x
  2. Step 2: Convert to fraction form
    20,226.63/30,344.28 = 7,079.43/x
  3. Step 3: Cross multiply
    20,226.63x = 30,344.28 × 7,079.43
  4. Step 4: Simplify right side
    20,226.63x = 214,820,206.16
  5. Step 5: Solve for x
    x = 214,820,206.16/20,226.63
  6. Step 6: Final answer
    x = 10,620.66

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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.