Home / 13,975.13-20,967.01-4,847.15

Finding the Fourth Proportional to 13,975.13, 20,967.01 and 4,847.15

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Solution

The fourth proportional to 13,975.13, 20,967.01 and 4,847.15 is: 7,272.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.13 : 20,967.01 = 4,847.15 : x
  2. Step 2: Convert to fraction form
    13,975.13/20,967.01 = 4,847.15/x
  3. Step 3: Cross multiply
    13,975.13x = 20,967.01 × 4,847.15
  4. Step 4: Simplify right side
    13,975.13x = 101,630,282.82
  5. Step 5: Solve for x
    x = 101,630,282.82/13,975.13
  6. Step 6: Final answer
    x = 7,272.22

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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.