Home / 13,674.90-20,515.11-4,316.37

Finding the Fourth Proportional to 13,674.90, 20,515.11 and 4,316.37

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Solution

The fourth proportional to 13,674.90, 20,515.11 and 4,316.37 is: 6,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674.90 : 20,515.11 = 4,316.37 : x
  2. Step 2: Convert to fraction form
    13,674.90/20,515.11 = 4,316.37/x
  3. Step 3: Cross multiply
    13,674.90x = 20,515.11 × 4,316.37
  4. Step 4: Simplify right side
    13,674.90x = 88,550,805.35
  5. Step 5: Solve for x
    x = 88,550,805.35/13,674.90
  6. Step 6: Final answer
    x = 6,475.43

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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.