Home / 13,910.86-19,215.39-10,367.92

Finding the Fourth Proportional to 13,910.86, 19,215.39 and 10,367.92

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Solution

The fourth proportional to 13,910.86, 19,215.39 and 10,367.92 is: 14,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.86 : 19,215.39 = 10,367.92 : x
  2. Step 2: Convert to fraction form
    13,910.86/19,215.39 = 10,367.92/x
  3. Step 3: Cross multiply
    13,910.86x = 19,215.39 × 10,367.92
  4. Step 4: Simplify right side
    13,910.86x = 199,223,626.29
  5. Step 5: Solve for x
    x = 199,223,626.29/13,910.86
  6. Step 6: Final answer
    x = 14,321.45

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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.