Home / 19,106.35-28,661.06-7,265.79

Finding the Fourth Proportional to 19,106.35, 28,661.06 and 7,265.79

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Solution

The fourth proportional to 19,106.35, 28,661.06 and 7,265.79 is: 10,899.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,106.35 : 28,661.06 = 7,265.79 : x
  2. Step 2: Convert to fraction form
    19,106.35/28,661.06 = 7,265.79/x
  3. Step 3: Cross multiply
    19,106.35x = 28,661.06 × 7,265.79
  4. Step 4: Simplify right side
    19,106.35x = 208,245,261.30
  5. Step 5: Solve for x
    x = 208,245,261.30/19,106.35
  6. Step 6: Final answer
    x = 10,899.27

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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.