Home / 13,991.86-19,327.17-10,448.92

Finding the Fourth Proportional to 13,991.86, 19,327.17 and 10,448.92

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Solution

The fourth proportional to 13,991.86, 19,327.17 and 10,448.92 is: 14,433.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991.86 : 19,327.17 = 10,448.92 : x
  2. Step 2: Convert to fraction form
    13,991.86/19,327.17 = 10,448.92/x
  3. Step 3: Cross multiply
    13,991.86x = 19,327.17 × 10,448.92
  4. Step 4: Simplify right side
    13,991.86x = 201,948,053.16
  5. Step 5: Solve for x
    x = 201,948,053.16/13,991.86
  6. Step 6: Final answer
    x = 14,433.25

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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.