Home / 10,745.10-16,117.65-2,847.60

Finding the Fourth Proportional to 10,745.10, 16,117.65 and 2,847.60

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Solution

The fourth proportional to 10,745.10, 16,117.65 and 2,847.60 is: 4,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.10 : 16,117.65 = 2,847.60 : x
  2. Step 2: Convert to fraction form
    10,745.10/16,117.65 = 2,847.60/x
  3. Step 3: Cross multiply
    10,745.10x = 16,117.65 × 2,847.60
  4. Step 4: Simplify right side
    10,745.10x = 45,896,620.14
  5. Step 5: Solve for x
    x = 45,896,620.14/10,745.10
  6. Step 6: Final answer
    x = 4,271.40

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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.