Home / 13,975.08-20,962.64-4,114.47

Finding the Fourth Proportional to 13,975.08, 20,962.64 and 4,114.47

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Solution

The fourth proportional to 13,975.08, 20,962.64 and 4,114.47 is: 6,171.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.08 : 20,962.64 = 4,114.47 : x
  2. Step 2: Convert to fraction form
    13,975.08/20,962.64 = 4,114.47/x
  3. Step 3: Cross multiply
    13,975.08x = 20,962.64 × 4,114.47
  4. Step 4: Simplify right side
    13,975.08x = 86,250,153.40
  5. Step 5: Solve for x
    x = 86,250,153.40/13,975.08
  6. Step 6: Final answer
    x = 6,171.71

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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.