Home / 13,089.57-19,634.47-3,729.58

Finding the Fourth Proportional to 13,089.57, 19,634.47 and 3,729.58

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Solution

The fourth proportional to 13,089.57, 19,634.47 and 3,729.58 is: 5,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.57 : 19,634.47 = 3,729.58 : x
  2. Step 2: Convert to fraction form
    13,089.57/19,634.47 = 3,729.58/x
  3. Step 3: Cross multiply
    13,089.57x = 19,634.47 × 3,729.58
  4. Step 4: Simplify right side
    13,089.57x = 73,228,326.62
  5. Step 5: Solve for x
    x = 73,228,326.62/13,089.57
  6. Step 6: Final answer
    x = 5,594.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.