Home / 18,622.71-27,933.83-4,582.91

Finding the Fourth Proportional to 18,622.71, 27,933.83 and 4,582.91

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Solution

The fourth proportional to 18,622.71, 27,933.83 and 4,582.91 is: 6,874.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.71 : 27,933.83 = 4,582.91 : x
  2. Step 2: Convert to fraction form
    18,622.71/27,933.83 = 4,582.91/x
  3. Step 3: Cross multiply
    18,622.71x = 27,933.83 × 4,582.91
  4. Step 4: Simplify right side
    18,622.71x = 128,018,292.95
  5. Step 5: Solve for x
    x = 128,018,292.95/18,622.71
  6. Step 6: Final answer
    x = 6,874.31

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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.