Home / 13,517.80-18,637.68-10,335.04

Finding the Fourth Proportional to 13,517.80, 18,637.68 and 10,335.04

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Solution

The fourth proportional to 13,517.80, 18,637.68 and 10,335.04 is: 14,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.80 : 18,637.68 = 10,335.04 : x
  2. Step 2: Convert to fraction form
    13,517.80/18,637.68 = 10,335.04/x
  3. Step 3: Cross multiply
    13,517.80x = 18,637.68 × 10,335.04
  4. Step 4: Simplify right side
    13,517.80x = 192,621,168.31
  5. Step 5: Solve for x
    x = 192,621,168.31/13,517.80
  6. Step 6: Final answer
    x = 14,249.45

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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.