Home / 19,690.21-29,529.24-5,646.46

Finding the Fourth Proportional to 19,690.21, 29,529.24 and 5,646.46

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Solution

The fourth proportional to 19,690.21, 29,529.24 and 5,646.46 is: 8,467.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.21 : 29,529.24 = 5,646.46 : x
  2. Step 2: Convert to fraction form
    19,690.21/29,529.24 = 5,646.46/x
  3. Step 3: Cross multiply
    19,690.21x = 29,529.24 × 5,646.46
  4. Step 4: Simplify right side
    19,690.21x = 166,735,672.49
  5. Step 5: Solve for x
    x = 166,735,672.49/19,690.21
  6. Step 6: Final answer
    x = 8,467.95

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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.