Home / 19,070.36-28,608.27-7,220.94

Finding the Fourth Proportional to 19,070.36, 28,608.27 and 7,220.94

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Solution

The fourth proportional to 19,070.36, 28,608.27 and 7,220.94 is: 10,832.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070.36 : 28,608.27 = 7,220.94 : x
  2. Step 2: Convert to fraction form
    19,070.36/28,608.27 = 7,220.94/x
  3. Step 3: Cross multiply
    19,070.36x = 28,608.27 × 7,220.94
  4. Step 4: Simplify right side
    19,070.36x = 206,578,601.17
  5. Step 5: Solve for x
    x = 206,578,601.17/19,070.36
  6. Step 6: Final answer
    x = 10,832.44

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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.