Home / 10,889.78-16,333.70-3,492.23

Finding the Fourth Proportional to 10,889.78, 16,333.70 and 3,492.23

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Solution

The fourth proportional to 10,889.78, 16,333.70 and 3,492.23 is: 5,238.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.78 : 16,333.70 = 3,492.23 : x
  2. Step 2: Convert to fraction form
    10,889.78/16,333.70 = 3,492.23/x
  3. Step 3: Cross multiply
    10,889.78x = 16,333.70 × 3,492.23
  4. Step 4: Simplify right side
    10,889.78x = 57,040,938.02
  5. Step 5: Solve for x
    x = 57,040,938.02/10,889.78
  6. Step 6: Final answer
    x = 5,238.03

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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.