Home / 10,454.22-15,681.26-2,556.77

Finding the Fourth Proportional to 10,454.22, 15,681.26 and 2,556.77

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Solution

The fourth proportional to 10,454.22, 15,681.26 and 2,556.77 is: 3,835.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,454.22 : 15,681.26 = 2,556.77 : x
  2. Step 2: Convert to fraction form
    10,454.22/15,681.26 = 2,556.77/x
  3. Step 3: Cross multiply
    10,454.22x = 15,681.26 × 2,556.77
  4. Step 4: Simplify right side
    10,454.22x = 40,093,283.94
  5. Step 5: Solve for x
    x = 40,093,283.94/10,454.22
  6. Step 6: Final answer
    x = 3,835.13

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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.