Home / 13,679.98-18,877.34-8,014.37

Finding the Fourth Proportional to 13,679.98, 18,877.34 and 8,014.37

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Solution

The fourth proportional to 13,679.98, 18,877.34 and 8,014.37 is: 11,059.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,679.98 : 18,877.34 = 8,014.37 : x
  2. Step 2: Convert to fraction form
    13,679.98/18,877.34 = 8,014.37/x
  3. Step 3: Cross multiply
    13,679.98x = 18,877.34 × 8,014.37
  4. Step 4: Simplify right side
    13,679.98x = 151,289,913.03
  5. Step 5: Solve for x
    x = 151,289,913.03/13,679.98
  6. Step 6: Final answer
    x = 11,059.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.