Home / 15,556.64-23,334.91-3,869.86

Finding the Fourth Proportional to 15,556.64, 23,334.91 and 3,869.86

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Solution

The fourth proportional to 15,556.64, 23,334.91 and 3,869.86 is: 5,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.64 : 23,334.91 = 3,869.86 : x
  2. Step 2: Convert to fraction form
    15,556.64/23,334.91 = 3,869.86/x
  3. Step 3: Cross multiply
    15,556.64x = 23,334.91 × 3,869.86
  4. Step 4: Simplify right side
    15,556.64x = 90,302,698.79
  5. Step 5: Solve for x
    x = 90,302,698.79/15,556.64
  6. Step 6: Final answer
    x = 5,804.77

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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.