Home / 13,903.26-20,841.93-6,969.66

Finding the Fourth Proportional to 13,903.26, 20,841.93 and 6,969.66

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Solution

The fourth proportional to 13,903.26, 20,841.93 and 6,969.66 is: 10,447.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.26 : 20,841.93 = 6,969.66 : x
  2. Step 2: Convert to fraction form
    13,903.26/20,841.93 = 6,969.66/x
  3. Step 3: Cross multiply
    13,903.26x = 20,841.93 × 6,969.66
  4. Step 4: Simplify right side
    13,903.26x = 145,261,165.84
  5. Step 5: Solve for x
    x = 145,261,165.84/13,903.26
  6. Step 6: Final answer
    x = 10,447.99

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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.