Home / 10,745.04-16,102.82-8,110.30

Finding the Fourth Proportional to 10,745.04, 16,102.82 and 8,110.30

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Solution

The fourth proportional to 10,745.04, 16,102.82 and 8,110.30 is: 12,154.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.04 : 16,102.82 = 8,110.30 : x
  2. Step 2: Convert to fraction form
    10,745.04/16,102.82 = 8,110.30/x
  3. Step 3: Cross multiply
    10,745.04x = 16,102.82 × 8,110.30
  4. Step 4: Simplify right side
    10,745.04x = 130,598,701.05
  5. Step 5: Solve for x
    x = 130,598,701.05/10,745.04
  6. Step 6: Final answer
    x = 12,154.32

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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.