Home / 19,102.25-28,639.00-8,012.10

Finding the Fourth Proportional to 19,102.25, 28,639.00 and 8,012.10

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Solution

The fourth proportional to 19,102.25, 28,639.00 and 8,012.10 is: 12,012.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,102.25 : 28,639.00 = 8,012.10 : x
  2. Step 2: Convert to fraction form
    19,102.25/28,639.00 = 8,012.10/x
  3. Step 3: Cross multiply
    19,102.25x = 28,639.00 × 8,012.10
  4. Step 4: Simplify right side
    19,102.25x = 229,458,649.31
  5. Step 5: Solve for x
    x = 229,458,649.31/19,102.25
  6. Step 6: Final answer
    x = 12,012.13

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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.