Home / 13,098.21-18,082.01-8,928.33

Finding the Fourth Proportional to 13,098.21, 18,082.01 and 8,928.33

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Solution

The fourth proportional to 13,098.21, 18,082.01 and 8,928.33 is: 12,325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,098.21 : 18,082.01 = 8,928.33 : x
  2. Step 2: Convert to fraction form
    13,098.21/18,082.01 = 8,928.33/x
  3. Step 3: Cross multiply
    13,098.21x = 18,082.01 × 8,928.33
  4. Step 4: Simplify right side
    13,098.21x = 161,442,107.70
  5. Step 5: Solve for x
    x = 161,442,107.70/13,098.21
  6. Step 6: Final answer
    x = 12,325.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.