Home / 20,204.34-30,320.36-7,056.72

Finding the Fourth Proportional to 20,204.34, 30,320.36 and 7,056.72

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Solution

The fourth proportional to 20,204.34, 30,320.36 and 7,056.72 is: 10,589.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.34 : 30,320.36 = 7,056.72 : x
  2. Step 2: Convert to fraction form
    20,204.34/30,320.36 = 7,056.72/x
  3. Step 3: Cross multiply
    20,204.34x = 30,320.36 × 7,056.72
  4. Step 4: Simplify right side
    20,204.34x = 213,962,282.00
  5. Step 5: Solve for x
    x = 213,962,282.00/20,204.34
  6. Step 6: Final answer
    x = 10,589.92

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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.