Home / 13,089.80-19,634.92-3,730.08

Finding the Fourth Proportional to 13,089.80, 19,634.92 and 3,730.08

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Solution

The fourth proportional to 13,089.80, 19,634.92 and 3,730.08 is: 5,595.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.80 : 19,634.92 = 3,730.08 : x
  2. Step 2: Convert to fraction form
    13,089.80/19,634.92 = 3,730.08/x
  3. Step 3: Cross multiply
    13,089.80x = 19,634.92 × 3,730.08
  4. Step 4: Simplify right side
    13,089.80x = 73,239,822.39
  5. Step 5: Solve for x
    x = 73,239,822.39/13,089.80
  6. Step 6: Final answer
    x = 5,595.18

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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.