Home / 13,599.80-18,791.49-11,237.84

Finding the Fourth Proportional to 13,599.80, 18,791.49 and 11,237.84

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Solution

The fourth proportional to 13,599.80, 18,791.49 and 11,237.84 is: 15,527.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.80 : 18,791.49 = 11,237.84 : x
  2. Step 2: Convert to fraction form
    13,599.80/18,791.49 = 11,237.84/x
  3. Step 3: Cross multiply
    13,599.80x = 18,791.49 × 11,237.84
  4. Step 4: Simplify right side
    13,599.80x = 211,175,776.63
  5. Step 5: Solve for x
    x = 211,175,776.63/13,599.80
  6. Step 6: Final answer
    x = 15,527.86

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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.