Home / 18,813.34-28,223.79-6,332.86

Finding the Fourth Proportional to 18,813.34, 28,223.79 and 6,332.86

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Solution

The fourth proportional to 18,813.34, 28,223.79 and 6,332.86 is: 9,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,813.34 : 28,223.79 = 6,332.86 : x
  2. Step 2: Convert to fraction form
    18,813.34/28,223.79 = 6,332.86/x
  3. Step 3: Cross multiply
    18,813.34x = 28,223.79 × 6,332.86
  4. Step 4: Simplify right side
    18,813.34x = 178,737,310.74
  5. Step 5: Solve for x
    x = 178,737,310.74/18,813.34
  6. Step 6: Final answer
    x = 9,500.56

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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.