Home / 20,187.38-30,285.93-6,336.38

Finding the Fourth Proportional to 20,187.38, 30,285.93 and 6,336.38

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Solution

The fourth proportional to 20,187.38, 30,285.93 and 6,336.38 is: 9,506.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187.38 : 30,285.93 = 6,336.38 : x
  2. Step 2: Convert to fraction form
    20,187.38/30,285.93 = 6,336.38/x
  3. Step 3: Cross multiply
    20,187.38x = 30,285.93 × 6,336.38
  4. Step 4: Simplify right side
    20,187.38x = 191,903,009.70
  5. Step 5: Solve for x
    x = 191,903,009.70/20,187.38
  6. Step 6: Final answer
    x = 9,506.09

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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.