Home / 13,389.06-20,082.06-3,529.11

Finding the Fourth Proportional to 13,389.06, 20,082.06 and 3,529.11

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Solution

The fourth proportional to 13,389.06, 20,082.06 and 3,529.11 is: 5,293.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389.06 : 20,082.06 = 3,529.11 : x
  2. Step 2: Convert to fraction form
    13,389.06/20,082.06 = 3,529.11/x
  3. Step 3: Cross multiply
    13,389.06x = 20,082.06 × 3,529.11
  4. Step 4: Simplify right side
    13,389.06x = 70,871,798.77
  5. Step 5: Solve for x
    x = 70,871,798.77/13,389.06
  6. Step 6: Final answer
    x = 5,293.26

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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.