Home / 15,137.66-20,893.01-8,763.36

Finding the Fourth Proportional to 15,137.66, 20,893.01 and 8,763.36

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Solution

The fourth proportional to 15,137.66, 20,893.01 and 8,763.36 is: 12,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,137.66 : 20,893.01 = 8,763.36 : x
  2. Step 2: Convert to fraction form
    15,137.66/20,893.01 = 8,763.36/x
  3. Step 3: Cross multiply
    15,137.66x = 20,893.01 × 8,763.36
  4. Step 4: Simplify right side
    15,137.66x = 183,092,924.30
  5. Step 5: Solve for x
    x = 183,092,924.30/15,137.66
  6. Step 6: Final answer
    x = 12,095.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.