Home / 19,865.43-29,790.63-5,822.46

Finding the Fourth Proportional to 19,865.43, 29,790.63 and 5,822.46

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Solution

The fourth proportional to 19,865.43, 29,790.63 and 5,822.46 is: 8,731.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,865.43 : 29,790.63 = 5,822.46 : x
  2. Step 2: Convert to fraction form
    19,865.43/29,790.63 = 5,822.46/x
  3. Step 3: Cross multiply
    19,865.43x = 29,790.63 × 5,822.46
  4. Step 4: Simplify right side
    19,865.43x = 173,454,751.55
  5. Step 5: Solve for x
    x = 173,454,751.55/19,865.43
  6. Step 6: Final answer
    x = 8,731.49

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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.