Home / 11,603.75-17,405.46-2,838.74

Finding the Fourth Proportional to 11,603.75, 17,405.46 and 2,838.74

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Solution

The fourth proportional to 11,603.75, 17,405.46 and 2,838.74 is: 4,258.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,603.75 : 17,405.46 = 2,838.74 : x
  2. Step 2: Convert to fraction form
    11,603.75/17,405.46 = 2,838.74/x
  3. Step 3: Cross multiply
    11,603.75x = 17,405.46 × 2,838.74
  4. Step 4: Simplify right side
    11,603.75x = 49,409,488.49
  5. Step 5: Solve for x
    x = 49,409,488.49/11,603.75
  6. Step 6: Final answer
    x = 4,258.06

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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.