Home / 13,911.83-20,867.78-4,051.34

Finding the Fourth Proportional to 13,911.83, 20,867.78 and 4,051.34

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Solution

The fourth proportional to 13,911.83, 20,867.78 and 4,051.34 is: 6,077.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.83 : 20,867.78 = 4,051.34 : x
  2. Step 2: Convert to fraction form
    13,911.83/20,867.78 = 4,051.34/x
  3. Step 3: Cross multiply
    13,911.83x = 20,867.78 × 4,051.34
  4. Step 4: Simplify right side
    13,911.83x = 84,542,347.23
  5. Step 5: Solve for x
    x = 84,542,347.23/13,911.83
  6. Step 6: Final answer
    x = 6,077.01

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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.