Home / 10,681.42-16,021.53-2,889.64

Finding the Fourth Proportional to 10,681.42, 16,021.53 and 2,889.64

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Solution

The fourth proportional to 10,681.42, 16,021.53 and 2,889.64 is: 4,334.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681.42 : 16,021.53 = 2,889.64 : x
  2. Step 2: Convert to fraction form
    10,681.42/16,021.53 = 2,889.64/x
  3. Step 3: Cross multiply
    10,681.42x = 16,021.53 × 2,889.64
  4. Step 4: Simplify right side
    10,681.42x = 46,296,453.95
  5. Step 5: Solve for x
    x = 46,296,453.95/10,681.42
  6. Step 6: Final answer
    x = 4,334.30

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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.