Home / 13,118.34-19,682.07-4,353.94

Finding the Fourth Proportional to 13,118.34, 19,682.07 and 4,353.94

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Solution

The fourth proportional to 13,118.34, 19,682.07 and 4,353.94 is: 6,532.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.34 : 19,682.07 = 4,353.94 : x
  2. Step 2: Convert to fraction form
    13,118.34/19,682.07 = 4,353.94/x
  3. Step 3: Cross multiply
    13,118.34x = 19,682.07 × 4,353.94
  4. Step 4: Simplify right side
    13,118.34x = 85,694,551.86
  5. Step 5: Solve for x
    x = 85,694,551.86/13,118.34
  6. Step 6: Final answer
    x = 6,532.42

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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.