Home / 13,091.40-19,629.54-4,323.96

Finding the Fourth Proportional to 13,091.40, 19,629.54 and 4,323.96

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Solution

The fourth proportional to 13,091.40, 19,629.54 and 4,323.96 is: 6,483.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091.40 : 19,629.54 = 4,323.96 : x
  2. Step 2: Convert to fraction form
    13,091.40/19,629.54 = 4,323.96/x
  3. Step 3: Cross multiply
    13,091.40x = 19,629.54 × 4,323.96
  4. Step 4: Simplify right side
    13,091.40x = 84,877,345.78
  5. Step 5: Solve for x
    x = 84,877,345.78/13,091.40
  6. Step 6: Final answer
    x = 6,483.44

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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.