Home / 12,544.64-18,835.20-9,226.88

Finding the Fourth Proportional to 12,544.64, 18,835.20 and 9,226.88

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Solution

The fourth proportional to 12,544.64, 18,835.20 and 9,226.88 is: 13,853.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.64 : 18,835.20 = 9,226.88 : x
  2. Step 2: Convert to fraction form
    12,544.64/18,835.20 = 9,226.88/x
  3. Step 3: Cross multiply
    12,544.64x = 18,835.20 × 9,226.88
  4. Step 4: Simplify right side
    12,544.64x = 173,790,130.18
  5. Step 5: Solve for x
    x = 173,790,130.18/12,544.64
  6. Step 6: Final answer
    x = 13,853.74

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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.