Home / 10,860.45-16,290.56-8,682.98

Finding the Fourth Proportional to 10,860.45, 16,290.56 and 8,682.98

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Solution

The fourth proportional to 10,860.45, 16,290.56 and 8,682.98 is: 13,024.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.45 : 16,290.56 = 8,682.98 : x
  2. Step 2: Convert to fraction form
    10,860.45/16,290.56 = 8,682.98/x
  3. Step 3: Cross multiply
    10,860.45x = 16,290.56 × 8,682.98
  4. Step 4: Simplify right side
    10,860.45x = 141,450,481.80
  5. Step 5: Solve for x
    x = 141,450,481.80/10,860.45
  6. Step 6: Final answer
    x = 13,024.37

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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.