Home / 18,661.32-25,757.92-12,292.56

Finding the Fourth Proportional to 18,661.32, 25,757.92 and 12,292.56

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Solution

The fourth proportional to 18,661.32, 25,757.92 and 12,292.56 is: 16,967.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,661.32 : 25,757.92 = 12,292.56 : x
  2. Step 2: Convert to fraction form
    18,661.32/25,757.92 = 12,292.56/x
  3. Step 3: Cross multiply
    18,661.32x = 25,757.92 × 12,292.56
  4. Step 4: Simplify right side
    18,661.32x = 316,630,777.08
  5. Step 5: Solve for x
    x = 316,630,777.08/18,661.32
  6. Step 6: Final answer
    x = 16,967.22

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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.