Home / 13,596.46-20,402.89-5,277.35

Finding the Fourth Proportional to 13,596.46, 20,402.89 and 5,277.35

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Solution

The fourth proportional to 13,596.46, 20,402.89 and 5,277.35 is: 7,919.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.46 : 20,402.89 = 5,277.35 : x
  2. Step 2: Convert to fraction form
    13,596.46/20,402.89 = 5,277.35/x
  3. Step 3: Cross multiply
    13,596.46x = 20,402.89 × 5,277.35
  4. Step 4: Simplify right side
    13,596.46x = 107,673,229.36
  5. Step 5: Solve for x
    x = 107,673,229.36/13,596.46
  6. Step 6: Final answer
    x = 7,919.21

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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.