Home / 19,778.26-27,293.90-10,703.61

Finding the Fourth Proportional to 19,778.26, 27,293.90 and 10,703.61

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Solution

The fourth proportional to 19,778.26, 27,293.90 and 10,703.61 is: 14,770.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778.26 : 27,293.90 = 10,703.61 : x
  2. Step 2: Convert to fraction form
    19,778.26/27,293.90 = 10,703.61/x
  3. Step 3: Cross multiply
    19,778.26x = 27,293.90 × 10,703.61
  4. Step 4: Simplify right side
    19,778.26x = 292,143,260.98
  5. Step 5: Solve for x
    x = 292,143,260.98/19,778.26
  6. Step 6: Final answer
    x = 14,770.93

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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.