Home / 13,984.62-20,968.80-5,657.82

Finding the Fourth Proportional to 13,984.62, 20,968.80 and 5,657.82

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Solution

The fourth proportional to 13,984.62, 20,968.80 and 5,657.82 is: 8,483.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.62 : 20,968.80 = 5,657.82 : x
  2. Step 2: Convert to fraction form
    13,984.62/20,968.80 = 5,657.82/x
  3. Step 3: Cross multiply
    13,984.62x = 20,968.80 × 5,657.82
  4. Step 4: Simplify right side
    13,984.62x = 118,637,696.02
  5. Step 5: Solve for x
    x = 118,637,696.02/13,984.62
  6. Step 6: Final answer
    x = 8,483.44

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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.