Home / 10,889.72-15,027.36-6,174.32

Finding the Fourth Proportional to 10,889.72, 15,027.36 and 6,174.32

Calculator

Solution

The fourth proportional to 10,889.72, 15,027.36 and 6,174.32 is: 8,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.72 : 15,027.36 = 6,174.32 : x
  2. Step 2: Convert to fraction form
    10,889.72/15,027.36 = 6,174.32/x
  3. Step 3: Cross multiply
    10,889.72x = 15,027.36 × 6,174.32
  4. Step 4: Simplify right side
    10,889.72x = 92,783,729.40
  5. Step 5: Solve for x
    x = 92,783,729.40/10,889.72
  6. Step 6: Final answer
    x = 8,520.30

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.