Home / 19,111.46-28,678.26-8,017.16

Finding the Fourth Proportional to 19,111.46, 28,678.26 and 8,017.16

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Solution

The fourth proportional to 19,111.46, 28,678.26 and 8,017.16 is: 12,030.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,111.46 : 28,678.26 = 8,017.16 : x
  2. Step 2: Convert to fraction form
    19,111.46/28,678.26 = 8,017.16/x
  3. Step 3: Cross multiply
    19,111.46x = 28,678.26 × 8,017.16
  4. Step 4: Simplify right side
    19,111.46x = 229,918,198.94
  5. Step 5: Solve for x
    x = 229,918,198.94/19,111.46
  6. Step 6: Final answer
    x = 12,030.38

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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.