Home / 19,766.60-29,661.57-7,295.37

Finding the Fourth Proportional to 19,766.60, 29,661.57 and 7,295.37

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Solution

The fourth proportional to 19,766.60, 29,661.57 and 7,295.37 is: 10,947.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.60 : 29,661.57 = 7,295.37 : x
  2. Step 2: Convert to fraction form
    19,766.60/29,661.57 = 7,295.37/x
  3. Step 3: Cross multiply
    19,766.60x = 29,661.57 × 7,295.37
  4. Step 4: Simplify right side
    19,766.60x = 216,392,127.93
  5. Step 5: Solve for x
    x = 216,392,127.93/19,766.60
  6. Step 6: Final answer
    x = 10,947.36

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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.