Home / 13,903.32-19,195.42-9,131.73

Finding the Fourth Proportional to 13,903.32, 19,195.42 and 9,131.73

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Solution

The fourth proportional to 13,903.32, 19,195.42 and 9,131.73 is: 12,607.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.32 : 19,195.42 = 9,131.73 : x
  2. Step 2: Convert to fraction form
    13,903.32/19,195.42 = 9,131.73/x
  3. Step 3: Cross multiply
    13,903.32x = 19,195.42 × 9,131.73
  4. Step 4: Simplify right side
    13,903.32x = 175,287,392.68
  5. Step 5: Solve for x
    x = 175,287,392.68/13,903.32
  6. Step 6: Final answer
    x = 12,607.59

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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.