Home / 20,202.84-30,316.88-7,723.92

Finding the Fourth Proportional to 20,202.84, 30,316.88 and 7,723.92

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Solution

The fourth proportional to 20,202.84, 30,316.88 and 7,723.92 is: 11,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.84 : 30,316.88 = 7,723.92 : x
  2. Step 2: Convert to fraction form
    20,202.84/30,316.88 = 7,723.92/x
  3. Step 3: Cross multiply
    20,202.84x = 30,316.88 × 7,723.92
  4. Step 4: Simplify right side
    20,202.84x = 234,165,155.77
  5. Step 5: Solve for x
    x = 234,165,155.77/20,202.84
  6. Step 6: Final answer
    x = 11,590.70

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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.