Home / 13,314.85-18,375.26-8,011.37

Finding the Fourth Proportional to 13,314.85, 18,375.26 and 8,011.37

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Solution

The fourth proportional to 13,314.85, 18,375.26 and 8,011.37 is: 11,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.85 : 18,375.26 = 8,011.37 : x
  2. Step 2: Convert to fraction form
    13,314.85/18,375.26 = 8,011.37/x
  3. Step 3: Cross multiply
    13,314.85x = 18,375.26 × 8,011.37
  4. Step 4: Simplify right side
    13,314.85x = 147,211,012.59
  5. Step 5: Solve for x
    x = 147,211,012.59/13,314.85
  6. Step 6: Final answer
    x = 11,056.15

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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.