Home / 13,858.32-20,791.91-4,967.64

Finding the Fourth Proportional to 13,858.32, 20,791.91 and 4,967.64

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Solution

The fourth proportional to 13,858.32, 20,791.91 and 4,967.64 is: 7,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858.32 : 20,791.91 = 4,967.64 : x
  2. Step 2: Convert to fraction form
    13,858.32/20,791.91 = 4,967.64/x
  3. Step 3: Cross multiply
    13,858.32x = 20,791.91 × 4,967.64
  4. Step 4: Simplify right side
    13,858.32x = 103,286,698.95
  5. Step 5: Solve for x
    x = 103,286,698.95/13,858.32
  6. Step 6: Final answer
    x = 7,453.05

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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.