Home / 18,622.71-27,934.37-4,582.78

Finding the Fourth Proportional to 18,622.71, 27,934.37 and 4,582.78

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Solution

The fourth proportional to 18,622.71, 27,934.37 and 4,582.78 is: 6,874.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.71 : 27,934.37 = 4,582.78 : x
  2. Step 2: Convert to fraction form
    18,622.71/27,934.37 = 4,582.78/x
  3. Step 3: Cross multiply
    18,622.71x = 27,934.37 × 4,582.78
  4. Step 4: Simplify right side
    18,622.71x = 128,017,072.15
  5. Step 5: Solve for x
    x = 128,017,072.15/18,622.71
  6. Step 6: Final answer
    x = 6,874.25

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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.