Home / 19,626.34-27,082.05-11,129.44

Finding the Fourth Proportional to 19,626.34, 27,082.05 and 11,129.44

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Solution

The fourth proportional to 19,626.34, 27,082.05 and 11,129.44 is: 15,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,626.34 : 27,082.05 = 11,129.44 : x
  2. Step 2: Convert to fraction form
    19,626.34/27,082.05 = 11,129.44/x
  3. Step 3: Cross multiply
    19,626.34x = 27,082.05 × 11,129.44
  4. Step 4: Simplify right side
    19,626.34x = 301,408,050.55
  5. Step 5: Solve for x
    x = 301,408,050.55/19,626.34
  6. Step 6: Final answer
    x = 15,357.32

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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.