Home / 12,526.49-18,789.69-3,761.39

Finding the Fourth Proportional to 12,526.49, 18,789.69 and 3,761.39

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Solution

The fourth proportional to 12,526.49, 18,789.69 and 3,761.39 is: 5,642.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.49 : 18,789.69 = 3,761.39 : x
  2. Step 2: Convert to fraction form
    12,526.49/18,789.69 = 3,761.39/x
  3. Step 3: Cross multiply
    12,526.49x = 18,789.69 × 3,761.39
  4. Step 4: Simplify right side
    12,526.49x = 70,675,352.07
  5. Step 5: Solve for x
    x = 70,675,352.07/12,526.49
  6. Step 6: Final answer
    x = 5,642.07

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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.