Home / 15,564.69-23,353.79-8,167.37

Finding the Fourth Proportional to 15,564.69, 23,353.79 and 8,167.37

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Solution

The fourth proportional to 15,564.69, 23,353.79 and 8,167.37 is: 12,254.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,564.69 : 23,353.79 = 8,167.37 : x
  2. Step 2: Convert to fraction form
    15,564.69/23,353.79 = 8,167.37/x
  3. Step 3: Cross multiply
    15,564.69x = 23,353.79 × 8,167.37
  4. Step 4: Simplify right side
    15,564.69x = 190,738,886.23
  5. Step 5: Solve for x
    x = 190,738,886.23/15,564.69
  6. Step 6: Final answer
    x = 12,254.59

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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.