Home / 19,782.47-29,633.96-9,237.95

Finding the Fourth Proportional to 19,782.47, 29,633.96 and 9,237.95

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Solution

The fourth proportional to 19,782.47, 29,633.96 and 9,237.95 is: 13,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782.47 : 29,633.96 = 9,237.95 : x
  2. Step 2: Convert to fraction form
    19,782.47/29,633.96 = 9,237.95/x
  3. Step 3: Cross multiply
    19,782.47x = 29,633.96 × 9,237.95
  4. Step 4: Simplify right side
    19,782.47x = 273,757,137.96
  5. Step 5: Solve for x
    x = 273,757,137.96/19,782.47
  6. Step 6: Final answer
    x = 13,838.37

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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.