Home / 19,235.74-28,863.77-13,649.51

Finding the Fourth Proportional to 19,235.74, 28,863.77 and 13,649.51

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Solution

The fourth proportional to 19,235.74, 28,863.77 and 13,649.51 is: 20,481.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,235.74 : 28,863.77 = 13,649.51 : x
  2. Step 2: Convert to fraction form
    19,235.74/28,863.77 = 13,649.51/x
  3. Step 3: Cross multiply
    19,235.74x = 28,863.77 × 13,649.51
  4. Step 4: Simplify right side
    19,235.74x = 393,976,104.69
  5. Step 5: Solve for x
    x = 393,976,104.69/19,235.74
  6. Step 6: Final answer
    x = 20,481.47

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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.