Home / 13,214.50-19,846.35-12,685.96

Finding the Fourth Proportional to 13,214.50, 19,846.35 and 12,685.96

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Solution

The fourth proportional to 13,214.50, 19,846.35 and 12,685.96 is: 19,052.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.50 : 19,846.35 = 12,685.96 : x
  2. Step 2: Convert to fraction form
    13,214.50/19,846.35 = 12,685.96/x
  3. Step 3: Cross multiply
    13,214.50x = 19,846.35 × 12,685.96
  4. Step 4: Simplify right side
    13,214.50x = 251,770,002.25
  5. Step 5: Solve for x
    x = 251,770,002.25/13,214.50
  6. Step 6: Final answer
    x = 19,052.56

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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.