Home / 13,975.83-20,967.38-4,114.79

Finding the Fourth Proportional to 13,975.83, 20,967.38 and 4,114.79

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Solution

The fourth proportional to 13,975.83, 20,967.38 and 4,114.79 is: 6,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.83 : 20,967.38 = 4,114.79 : x
  2. Step 2: Convert to fraction form
    13,975.83/20,967.38 = 4,114.79/x
  3. Step 3: Cross multiply
    13,975.83x = 20,967.38 × 4,114.79
  4. Step 4: Simplify right side
    13,975.83x = 86,276,240.14
  5. Step 5: Solve for x
    x = 86,276,240.14/13,975.83
  6. Step 6: Final answer
    x = 6,173.25

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1.5x scale

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.