Home / 13,634.91-18,804.48-9,392.73

Finding the Fourth Proportional to 13,634.91, 18,804.48 and 9,392.73

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Solution

The fourth proportional to 13,634.91, 18,804.48 and 9,392.73 is: 12,953.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.91 : 18,804.48 = 9,392.73 : x
  2. Step 2: Convert to fraction form
    13,634.91/18,804.48 = 9,392.73/x
  3. Step 3: Cross multiply
    13,634.91x = 18,804.48 × 9,392.73
  4. Step 4: Simplify right side
    13,634.91x = 176,625,403.43
  5. Step 5: Solve for x
    x = 176,625,403.43/13,634.91
  6. Step 6: Final answer
    x = 12,953.91

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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.