Home / 13,881.52-20,824.44-4,519.34

Finding the Fourth Proportional to 13,881.52, 20,824.44 and 4,519.34

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Solution

The fourth proportional to 13,881.52, 20,824.44 and 4,519.34 is: 6,779.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881.52 : 20,824.44 = 4,519.34 : x
  2. Step 2: Convert to fraction form
    13,881.52/20,824.44 = 4,519.34/x
  3. Step 3: Cross multiply
    13,881.52x = 20,824.44 × 4,519.34
  4. Step 4: Simplify right side
    13,881.52x = 94,112,681.69
  5. Step 5: Solve for x
    x = 94,112,681.69/13,881.52
  6. Step 6: Final answer
    x = 6,779.71

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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.