Home / 13,203.39-19,766.79-10,272.81

Finding the Fourth Proportional to 13,203.39, 19,766.79 and 10,272.81

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Solution

The fourth proportional to 13,203.39, 19,766.79 and 10,272.81 is: 15,379.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.39 : 19,766.79 = 10,272.81 : x
  2. Step 2: Convert to fraction form
    13,203.39/19,766.79 = 10,272.81/x
  3. Step 3: Cross multiply
    13,203.39x = 19,766.79 × 10,272.81
  4. Step 4: Simplify right side
    13,203.39x = 203,060,477.98
  5. Step 5: Solve for x
    x = 203,060,477.98/13,203.39
  6. Step 6: Final answer
    x = 15,379.42

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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.