Home / 19,087.45-28,622.79-7,835.06

Finding the Fourth Proportional to 19,087.45, 28,622.79 and 7,835.06

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Solution

The fourth proportional to 19,087.45, 28,622.79 and 7,835.06 is: 11,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,087.45 : 28,622.79 = 7,835.06 : x
  2. Step 2: Convert to fraction form
    19,087.45/28,622.79 = 7,835.06/x
  3. Step 3: Cross multiply
    19,087.45x = 28,622.79 × 7,835.06
  4. Step 4: Simplify right side
    19,087.45x = 224,261,348.57
  5. Step 5: Solve for x
    x = 224,261,348.57/19,087.45
  6. Step 6: Final answer
    x = 11,749.15

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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.