Home / 18,801.37-28,197.45-8,274.05

Finding the Fourth Proportional to 18,801.37, 28,197.45 and 8,274.05

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Solution

The fourth proportional to 18,801.37, 28,197.45 and 8,274.05 is: 12,409.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801.37 : 28,197.45 = 8,274.05 : x
  2. Step 2: Convert to fraction form
    18,801.37/28,197.45 = 8,274.05/x
  3. Step 3: Cross multiply
    18,801.37x = 28,197.45 × 8,274.05
  4. Step 4: Simplify right side
    18,801.37x = 233,306,970.19
  5. Step 5: Solve for x
    x = 233,306,970.19/18,801.37
  6. Step 6: Final answer
    x = 12,409.04

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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.