Home / 11,869.04-17,787.99-8,734.37

Finding the Fourth Proportional to 11,869.04, 17,787.99 and 8,734.37

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Solution

The fourth proportional to 11,869.04, 17,787.99 and 8,734.37 is: 13,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.04 : 17,787.99 = 8,734.37 : x
  2. Step 2: Convert to fraction form
    11,869.04/17,787.99 = 8,734.37/x
  3. Step 3: Cross multiply
    11,869.04x = 17,787.99 × 8,734.37
  4. Step 4: Simplify right side
    11,869.04x = 155,366,886.22
  5. Step 5: Solve for x
    x = 155,366,886.22/11,869.04
  6. Step 6: Final answer
    x = 13,090.10

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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.