Home / 12,255.81-18,346.53-11,086.30

Finding the Fourth Proportional to 12,255.81, 18,346.53 and 11,086.30

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Solution

The fourth proportional to 12,255.81, 18,346.53 and 11,086.30 is: 16,595.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,255.81 : 18,346.53 = 11,086.30 : x
  2. Step 2: Convert to fraction form
    12,255.81/18,346.53 = 11,086.30/x
  3. Step 3: Cross multiply
    12,255.81x = 18,346.53 × 11,086.30
  4. Step 4: Simplify right side
    12,255.81x = 203,395,200.05
  5. Step 5: Solve for x
    x = 203,395,200.05/12,255.81
  6. Step 6: Final answer
    x = 16,595.82

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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.