Home / 10,745.04-16,122.18-5,554.56

Finding the Fourth Proportional to 10,745.04, 16,122.18 and 5,554.56

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Solution

The fourth proportional to 10,745.04, 16,122.18 and 5,554.56 is: 8,334.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.04 : 16,122.18 = 5,554.56 : x
  2. Step 2: Convert to fraction form
    10,745.04/16,122.18 = 5,554.56/x
  3. Step 3: Cross multiply
    10,745.04x = 16,122.18 × 5,554.56
  4. Step 4: Simplify right side
    10,745.04x = 89,551,616.14
  5. Step 5: Solve for x
    x = 89,551,616.14/10,745.04
  6. Step 6: Final answer
    x = 8,334.23

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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.