Home / 13,151.07-19,725.93-3,289.77

Finding the Fourth Proportional to 13,151.07, 19,725.93 and 3,289.77

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Solution

The fourth proportional to 13,151.07, 19,725.93 and 3,289.77 is: 4,934.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.07 : 19,725.93 = 3,289.77 : x
  2. Step 2: Convert to fraction form
    13,151.07/19,725.93 = 3,289.77/x
  3. Step 3: Cross multiply
    13,151.07x = 19,725.93 × 3,289.77
  4. Step 4: Simplify right side
    13,151.07x = 64,893,772.74
  5. Step 5: Solve for x
    x = 64,893,772.74/13,151.07
  6. Step 6: Final answer
    x = 4,934.49

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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.