Home / 13,984.02-20,976.03-12,597.30

Finding the Fourth Proportional to 13,984.02, 20,976.03 and 12,597.30

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Solution

The fourth proportional to 13,984.02, 20,976.03 and 12,597.30 is: 18,895.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.02 : 20,976.03 = 12,597.30 : x
  2. Step 2: Convert to fraction form
    13,984.02/20,976.03 = 12,597.30/x
  3. Step 3: Cross multiply
    13,984.02x = 20,976.03 × 12,597.30
  4. Step 4: Simplify right side
    13,984.02x = 264,241,342.72
  5. Step 5: Solve for x
    x = 264,241,342.72/13,984.02
  6. Step 6: Final answer
    x = 18,895.95

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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.