Home / 13,623.56-18,793.46-9,148.58

Finding the Fourth Proportional to 13,623.56, 18,793.46 and 9,148.58

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Solution

The fourth proportional to 13,623.56, 18,793.46 and 9,148.58 is: 12,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.56 : 18,793.46 = 9,148.58 : x
  2. Step 2: Convert to fraction form
    13,623.56/18,793.46 = 9,148.58/x
  3. Step 3: Cross multiply
    13,623.56x = 18,793.46 × 9,148.58
  4. Step 4: Simplify right side
    13,623.56x = 171,933,426.54
  5. Step 5: Solve for x
    x = 171,933,426.54/13,623.56
  6. Step 6: Final answer
    x = 12,620.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.