Home / 19,434.42-29,155.88-6,286.60

Finding the Fourth Proportional to 19,434.42, 29,155.88 and 6,286.60

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Solution

The fourth proportional to 19,434.42, 29,155.88 and 6,286.60 is: 9,431.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434.42 : 29,155.88 = 6,286.60 : x
  2. Step 2: Convert to fraction form
    19,434.42/29,155.88 = 6,286.60/x
  3. Step 3: Cross multiply
    19,434.42x = 29,155.88 × 6,286.60
  4. Step 4: Simplify right side
    19,434.42x = 183,291,355.21
  5. Step 5: Solve for x
    x = 183,291,355.21/19,434.42
  6. Step 6: Final answer
    x = 9,431.27

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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.