Home / 19,065.96-28,582.02-7,211.45

Finding the Fourth Proportional to 19,065.96, 28,582.02 and 7,211.45

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Solution

The fourth proportional to 19,065.96, 28,582.02 and 7,211.45 is: 10,810.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.96 : 28,582.02 = 7,211.45 : x
  2. Step 2: Convert to fraction form
    19,065.96/28,582.02 = 7,211.45/x
  3. Step 3: Cross multiply
    19,065.96x = 28,582.02 × 7,211.45
  4. Step 4: Simplify right side
    19,065.96x = 206,117,879.58
  5. Step 5: Solve for x
    x = 206,117,879.58/19,065.96
  6. Step 6: Final answer
    x = 10,810.78

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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.