Home / 17,205.30-25,775.55-8,856.90

Finding the Fourth Proportional to 17,205.30, 25,775.55 and 8,856.90

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Solution

The fourth proportional to 17,205.30, 25,775.55 and 8,856.90 is: 13,268.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,205.30 : 25,775.55 = 8,856.90 : x
  2. Step 2: Convert to fraction form
    17,205.30/25,775.55 = 8,856.90/x
  3. Step 3: Cross multiply
    17,205.30x = 25,775.55 × 8,856.90
  4. Step 4: Simplify right side
    17,205.30x = 228,291,468.80
  5. Step 5: Solve for x
    x = 228,291,468.80/17,205.30
  6. Step 6: Final answer
    x = 13,268.67

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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.