Home / 13,866.38-20,784.66-4,973.15

Finding the Fourth Proportional to 13,866.38, 20,784.66 and 4,973.15

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Solution

The fourth proportional to 13,866.38, 20,784.66 and 4,973.15 is: 7,454.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.38 : 20,784.66 = 4,973.15 : x
  2. Step 2: Convert to fraction form
    13,866.38/20,784.66 = 4,973.15/x
  3. Step 3: Cross multiply
    13,866.38x = 20,784.66 × 4,973.15
  4. Step 4: Simplify right side
    13,866.38x = 103,365,127.96
  5. Step 5: Solve for x
    x = 103,365,127.96/13,866.38
  6. Step 6: Final answer
    x = 7,454.37

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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.