Home / 13,389.17-20,082.94-3,528.43

Finding the Fourth Proportional to 13,389.17, 20,082.94 and 3,528.43

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Solution

The fourth proportional to 13,389.17, 20,082.94 and 3,528.43 is: 5,292.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389.17 : 20,082.94 = 3,528.43 : x
  2. Step 2: Convert to fraction form
    13,389.17/20,082.94 = 3,528.43/x
  3. Step 3: Cross multiply
    13,389.17x = 20,082.94 × 3,528.43
  4. Step 4: Simplify right side
    13,389.17x = 70,861,188.96
  5. Step 5: Solve for x
    x = 70,861,188.96/13,389.17
  6. Step 6: Final answer
    x = 5,292.43

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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.