Home / 19,293.01-28,983.90-13,684.55

Finding the Fourth Proportional to 19,293.01, 28,983.90 and 13,684.55

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Solution

The fourth proportional to 19,293.01, 28,983.90 and 13,684.55 is: 20,558.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.01 : 28,983.90 = 13,684.55 : x
  2. Step 2: Convert to fraction form
    19,293.01/28,983.90 = 13,684.55/x
  3. Step 3: Cross multiply
    19,293.01x = 28,983.90 × 13,684.55
  4. Step 4: Simplify right side
    19,293.01x = 396,631,771.78
  5. Step 5: Solve for x
    x = 396,631,771.78/19,293.01
  6. Step 6: Final answer
    x = 20,558.31

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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.