Home / 15,972.88-23,960.56-4,879.64

Finding the Fourth Proportional to 15,972.88, 23,960.56 and 4,879.64

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Solution

The fourth proportional to 15,972.88, 23,960.56 and 4,879.64 is: 7,319.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.88 : 23,960.56 = 4,879.64 : x
  2. Step 2: Convert to fraction form
    15,972.88/23,960.56 = 4,879.64/x
  3. Step 3: Cross multiply
    15,972.88x = 23,960.56 × 4,879.64
  4. Step 4: Simplify right side
    15,972.88x = 116,918,907.00
  5. Step 5: Solve for x
    x = 116,918,907.00/15,972.88
  6. Step 6: Final answer
    x = 7,319.84

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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.