Home / 13,976.61-20,959.27-5,655.09

Finding the Fourth Proportional to 13,976.61, 20,959.27 and 5,655.09

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Solution

The fourth proportional to 13,976.61, 20,959.27 and 5,655.09 is: 8,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.61 : 20,959.27 = 5,655.09 : x
  2. Step 2: Convert to fraction form
    13,976.61/20,959.27 = 5,655.09/x
  3. Step 3: Cross multiply
    13,976.61x = 20,959.27 × 5,655.09
  4. Step 4: Simplify right side
    13,976.61x = 118,526,558.18
  5. Step 5: Solve for x
    x = 118,526,558.18/13,976.61
  6. Step 6: Final answer
    x = 8,480.35

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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.