Home / 19,120.06-28,675.77-7,269.61

Finding the Fourth Proportional to 19,120.06, 28,675.77 and 7,269.61

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Solution

The fourth proportional to 19,120.06, 28,675.77 and 7,269.61 is: 10,902.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.06 : 28,675.77 = 7,269.61 : x
  2. Step 2: Convert to fraction form
    19,120.06/28,675.77 = 7,269.61/x
  3. Step 3: Cross multiply
    19,120.06x = 28,675.77 × 7,269.61
  4. Step 4: Simplify right side
    19,120.06x = 208,461,560.93
  5. Step 5: Solve for x
    x = 208,461,560.93/19,120.06
  6. Step 6: Final answer
    x = 10,902.77

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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.