Home / 13,256.87-19,884.86-3,396.24

Finding the Fourth Proportional to 13,256.87, 19,884.86 and 3,396.24

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Solution

The fourth proportional to 13,256.87, 19,884.86 and 3,396.24 is: 5,094.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.87 : 19,884.86 = 3,396.24 : x
  2. Step 2: Convert to fraction form
    13,256.87/19,884.86 = 3,396.24/x
  3. Step 3: Cross multiply
    13,256.87x = 19,884.86 × 3,396.24
  4. Step 4: Simplify right side
    13,256.87x = 67,533,739.95
  5. Step 5: Solve for x
    x = 67,533,739.95/13,256.87
  6. Step 6: Final answer
    x = 5,094.24

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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.