Home / 13,123.08-19,684.62-3,888.36

Finding the Fourth Proportional to 13,123.08, 19,684.62 and 3,888.36

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Solution

The fourth proportional to 13,123.08, 19,684.62 and 3,888.36 is: 5,832.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123.08 : 19,684.62 = 3,888.36 : x
  2. Step 2: Convert to fraction form
    13,123.08/19,684.62 = 3,888.36/x
  3. Step 3: Cross multiply
    13,123.08x = 19,684.62 × 3,888.36
  4. Step 4: Simplify right side
    13,123.08x = 76,540,889.02
  5. Step 5: Solve for x
    x = 76,540,889.02/13,123.08
  6. Step 6: Final answer
    x = 5,832.54

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Similar ratio
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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.