Home / 15,556.98-23,339.10-5,168.72

Finding the Fourth Proportional to 15,556.98, 23,339.10 and 5,168.72

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Solution

The fourth proportional to 15,556.98, 23,339.10 and 5,168.72 is: 7,754.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.98 : 23,339.10 = 5,168.72 : x
  2. Step 2: Convert to fraction form
    15,556.98/23,339.10 = 5,168.72/x
  3. Step 3: Cross multiply
    15,556.98x = 23,339.10 × 5,168.72
  4. Step 4: Simplify right side
    15,556.98x = 120,633,272.95
  5. Step 5: Solve for x
    x = 120,633,272.95/15,556.98
  6. Step 6: Final answer
    x = 7,754.29

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1.5x scale

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.