Home / 19,102.48-28,664.87-8,008.31

Finding the Fourth Proportional to 19,102.48, 28,664.87 and 8,008.31

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Solution

The fourth proportional to 19,102.48, 28,664.87 and 8,008.31 is: 12,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,102.48 : 28,664.87 = 8,008.31 : x
  2. Step 2: Convert to fraction form
    19,102.48/28,664.87 = 8,008.31/x
  3. Step 3: Cross multiply
    19,102.48x = 28,664.87 × 8,008.31
  4. Step 4: Simplify right side
    19,102.48x = 229,557,165.07
  5. Step 5: Solve for x
    x = 229,557,165.07/19,102.48
  6. Step 6: Final answer
    x = 12,017.14

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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.