Home / 14,289.54-19,726.41-9,517.43

Finding the Fourth Proportional to 14,289.54, 19,726.41 and 9,517.43

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Solution

The fourth proportional to 14,289.54, 19,726.41 and 9,517.43 is: 13,138.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.54 : 19,726.41 = 9,517.43 : x
  2. Step 2: Convert to fraction form
    14,289.54/19,726.41 = 9,517.43/x
  3. Step 3: Cross multiply
    14,289.54x = 19,726.41 × 9,517.43
  4. Step 4: Simplify right side
    14,289.54x = 187,744,627.69
  5. Step 5: Solve for x
    x = 187,744,627.69/14,289.54
  6. Step 6: Final answer
    x = 13,138.61

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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.