Home / 11,622.28-17,442.06-6,438.28

Finding the Fourth Proportional to 11,622.28, 17,442.06 and 6,438.28

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Solution

The fourth proportional to 11,622.28, 17,442.06 and 6,438.28 is: 9,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.28 : 17,442.06 = 6,438.28 : x
  2. Step 2: Convert to fraction form
    11,622.28/17,442.06 = 6,438.28/x
  3. Step 3: Cross multiply
    11,622.28x = 17,442.06 × 6,438.28
  4. Step 4: Simplify right side
    11,622.28x = 112,296,866.06
  5. Step 5: Solve for x
    x = 112,296,866.06/11,622.28
  6. Step 6: Final answer
    x = 9,662.21

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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.