Home / 17,479.32-26,220.83-7,485.09

Finding the Fourth Proportional to 17,479.32, 26,220.83 and 7,485.09

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Solution

The fourth proportional to 17,479.32, 26,220.83 and 7,485.09 is: 11,228.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,479.32 : 26,220.83 = 7,485.09 : x
  2. Step 2: Convert to fraction form
    17,479.32/26,220.83 = 7,485.09/x
  3. Step 3: Cross multiply
    17,479.32x = 26,220.83 × 7,485.09
  4. Step 4: Simplify right side
    17,479.32x = 196,265,235.00
  5. Step 5: Solve for x
    x = 196,265,235.00/17,479.32
  6. Step 6: Final answer
    x = 11,228.43

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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.