Home / 13,914.86-19,220.91-10,371.92

Finding the Fourth Proportional to 13,914.86, 19,220.91 and 10,371.92

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Solution

The fourth proportional to 13,914.86, 19,220.91 and 10,371.92 is: 14,326.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.86 : 19,220.91 = 10,371.92 : x
  2. Step 2: Convert to fraction form
    13,914.86/19,220.91 = 10,371.92/x
  3. Step 3: Cross multiply
    13,914.86x = 19,220.91 × 10,371.92
  4. Step 4: Simplify right side
    13,914.86x = 199,357,740.85
  5. Step 5: Solve for x
    x = 199,357,740.85/13,914.86
  6. Step 6: Final answer
    x = 14,326.97

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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.