Home / 12,544.38-18,816.96-3,779.36

Finding the Fourth Proportional to 12,544.38, 18,816.96 and 3,779.36

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Solution

The fourth proportional to 12,544.38, 18,816.96 and 3,779.36 is: 5,669.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.38 : 18,816.96 = 3,779.36 : x
  2. Step 2: Convert to fraction form
    12,544.38/18,816.96 = 3,779.36/x
  3. Step 3: Cross multiply
    12,544.38x = 18,816.96 × 3,779.36
  4. Step 4: Simplify right side
    12,544.38x = 71,116,065.95
  5. Step 5: Solve for x
    x = 71,116,065.95/12,544.38
  6. Step 6: Final answer
    x = 5,669.16

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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.