Home / 13,180.24-18,193.34-8,148.32

Finding the Fourth Proportional to 13,180.24, 18,193.34 and 8,148.32

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Solution

The fourth proportional to 13,180.24, 18,193.34 and 8,148.32 is: 11,247.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.24 : 18,193.34 = 8,148.32 : x
  2. Step 2: Convert to fraction form
    13,180.24/18,193.34 = 8,148.32/x
  3. Step 3: Cross multiply
    13,180.24x = 18,193.34 × 8,148.32
  4. Step 4: Simplify right side
    13,180.24x = 148,245,156.19
  5. Step 5: Solve for x
    x = 148,245,156.19/13,180.24
  6. Step 6: Final answer
    x = 11,247.53

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1.5x scale

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.