Home / 18,795.44-28,182.20-12,562.49

Finding the Fourth Proportional to 18,795.44, 28,182.20 and 12,562.49

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Solution

The fourth proportional to 18,795.44, 28,182.20 and 12,562.49 is: 18,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.44 : 28,182.20 = 12,562.49 : x
  2. Step 2: Convert to fraction form
    18,795.44/28,182.20 = 12,562.49/x
  3. Step 3: Cross multiply
    18,795.44x = 28,182.20 × 12,562.49
  4. Step 4: Simplify right side
    18,795.44x = 354,038,401.95
  5. Step 5: Solve for x
    x = 354,038,401.95/18,795.44
  6. Step 6: Final answer
    x = 18,836.40

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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.