Home / 18,706.38-28,059.82-6,226.40

Finding the Fourth Proportional to 18,706.38, 28,059.82 and 6,226.40

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Solution

The fourth proportional to 18,706.38, 28,059.82 and 6,226.40 is: 9,339.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,706.38 : 28,059.82 = 6,226.40 : x
  2. Step 2: Convert to fraction form
    18,706.38/28,059.82 = 6,226.40/x
  3. Step 3: Cross multiply
    18,706.38x = 28,059.82 × 6,226.40
  4. Step 4: Simplify right side
    18,706.38x = 174,711,717.83
  5. Step 5: Solve for x
    x = 174,711,717.83/18,706.38
  6. Step 6: Final answer
    x = 9,339.69

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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.