Home / 11,440.63-17,156.08-3,945.01

Finding the Fourth Proportional to 11,440.63, 17,156.08 and 3,945.01

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Solution

The fourth proportional to 11,440.63, 17,156.08 and 3,945.01 is: 5,915.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.63 : 17,156.08 = 3,945.01 : x
  2. Step 2: Convert to fraction form
    11,440.63/17,156.08 = 3,945.01/x
  3. Step 3: Cross multiply
    11,440.63x = 17,156.08 × 3,945.01
  4. Step 4: Simplify right side
    11,440.63x = 67,680,907.16
  5. Step 5: Solve for x
    x = 67,680,907.16/11,440.63
  6. Step 6: Final answer
    x = 5,915.84

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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.