Home / 19,617.88-29,439.78-9,230.44

Finding the Fourth Proportional to 19,617.88, 29,439.78 and 9,230.44

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Solution

The fourth proportional to 19,617.88, 29,439.78 and 9,230.44 is: 13,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.88 : 29,439.78 = 9,230.44 : x
  2. Step 2: Convert to fraction form
    19,617.88/29,439.78 = 9,230.44/x
  3. Step 3: Cross multiply
    19,617.88x = 29,439.78 × 9,230.44
  4. Step 4: Simplify right side
    19,617.88x = 271,742,122.90
  5. Step 5: Solve for x
    x = 271,742,122.90/19,617.88
  6. Step 6: Final answer
    x = 13,851.76

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1.5x scale

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.