Home / 12,544.36-18,818.37-3,779.96

Finding the Fourth Proportional to 12,544.36, 18,818.37 and 3,779.96

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Solution

The fourth proportional to 12,544.36, 18,818.37 and 3,779.96 is: 5,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.36 : 18,818.37 = 3,779.96 : x
  2. Step 2: Convert to fraction form
    12,544.36/18,818.37 = 3,779.96/x
  3. Step 3: Cross multiply
    12,544.36x = 18,818.37 × 3,779.96
  4. Step 4: Simplify right side
    12,544.36x = 71,132,591.77
  5. Step 5: Solve for x
    x = 71,132,591.77/12,544.36
  6. Step 6: Final answer
    x = 5,670.49

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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.