Home / 13,106.58-18,093.20-8,393.55

Finding the Fourth Proportional to 13,106.58, 18,093.20 and 8,393.55

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Solution

The fourth proportional to 13,106.58, 18,093.20 and 8,393.55 is: 11,587.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.58 : 18,093.20 = 8,393.55 : x
  2. Step 2: Convert to fraction form
    13,106.58/18,093.20 = 8,393.55/x
  3. Step 3: Cross multiply
    13,106.58x = 18,093.20 × 8,393.55
  4. Step 4: Simplify right side
    13,106.58x = 151,866,178.86
  5. Step 5: Solve for x
    x = 151,866,178.86/13,106.58
  6. Step 6: Final answer
    x = 11,587.02

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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.