Home / 20,377.10-30,570.05-6,336.86

Finding the Fourth Proportional to 20,377.10, 30,570.05 and 6,336.86

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Solution

The fourth proportional to 20,377.10, 30,570.05 and 6,336.86 is: 9,506.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,377.10 : 30,570.05 = 6,336.86 : x
  2. Step 2: Convert to fraction form
    20,377.10/30,570.05 = 6,336.86/x
  3. Step 3: Cross multiply
    20,377.10x = 30,570.05 × 6,336.86
  4. Step 4: Simplify right side
    20,377.10x = 193,717,990.03
  5. Step 5: Solve for x
    x = 193,717,990.03/20,377.10
  6. Step 6: Final answer
    x = 9,506.65

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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.