Home / 18,801.37-28,197.49-5,470.77

Finding the Fourth Proportional to 18,801.37, 28,197.49 and 5,470.77

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Solution

The fourth proportional to 18,801.37, 28,197.49 and 5,470.77 is: 8,204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801.37 : 28,197.49 = 5,470.77 : x
  2. Step 2: Convert to fraction form
    18,801.37/28,197.49 = 5,470.77/x
  3. Step 3: Cross multiply
    18,801.37x = 28,197.49 × 5,470.77
  4. Step 4: Simplify right side
    18,801.37x = 154,261,862.16
  5. Step 5: Solve for x
    x = 154,261,862.16/18,801.37
  6. Step 6: Final answer
    x = 8,204.82

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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.