Home / 20,373.50-30,559.84-7,222.74

Finding the Fourth Proportional to 20,373.50, 30,559.84 and 7,222.74

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Solution

The fourth proportional to 20,373.50, 30,559.84 and 7,222.74 is: 10,833.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,373.50 : 30,559.84 = 7,222.74 : x
  2. Step 2: Convert to fraction form
    20,373.50/30,559.84 = 7,222.74/x
  3. Step 3: Cross multiply
    20,373.50x = 30,559.84 × 7,222.74
  4. Step 4: Simplify right side
    20,373.50x = 220,725,778.76
  5. Step 5: Solve for x
    x = 220,725,778.76/20,373.50
  6. Step 6: Final answer
    x = 10,833.96

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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.