Home / 13,497.78-20,257.06-8,816.52

Finding the Fourth Proportional to 13,497.78, 20,257.06 and 8,816.52

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Solution

The fourth proportional to 13,497.78, 20,257.06 and 8,816.52 is: 13,231.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497.78 : 20,257.06 = 8,816.52 : x
  2. Step 2: Convert to fraction form
    13,497.78/20,257.06 = 8,816.52/x
  3. Step 3: Cross multiply
    13,497.78x = 20,257.06 × 8,816.52
  4. Step 4: Simplify right side
    13,497.78x = 178,596,774.63
  5. Step 5: Solve for x
    x = 178,596,774.63/13,497.78
  6. Step 6: Final answer
    x = 13,231.57

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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.