Home / 17,919.20-26,889.84-11,336.32

Finding the Fourth Proportional to 17,919.20, 26,889.84 and 11,336.32

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Solution

The fourth proportional to 17,919.20, 26,889.84 and 11,336.32 is: 17,011.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.20 : 26,889.84 = 11,336.32 : x
  2. Step 2: Convert to fraction form
    17,919.20/26,889.84 = 11,336.32/x
  3. Step 3: Cross multiply
    17,919.20x = 26,889.84 × 11,336.32
  4. Step 4: Simplify right side
    17,919.20x = 304,831,830.99
  5. Step 5: Solve for x
    x = 304,831,830.99/17,919.20
  6. Step 6: Final answer
    x = 17,011.46

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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.