Home / 15,388.74-23,090.49-8,368.47

Finding the Fourth Proportional to 15,388.74, 23,090.49 and 8,368.47

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Solution

The fourth proportional to 15,388.74, 23,090.49 and 8,368.47 is: 12,556.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,388.74 : 23,090.49 = 8,368.47 : x
  2. Step 2: Convert to fraction form
    15,388.74/23,090.49 = 8,368.47/x
  3. Step 3: Cross multiply
    15,388.74x = 23,090.49 × 8,368.47
  4. Step 4: Simplify right side
    15,388.74x = 193,232,072.85
  5. Step 5: Solve for x
    x = 193,232,072.85/15,388.74
  6. Step 6: Final answer
    x = 12,556.72

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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.