Home / 15,564.44-23,312.34-12,865.37

Finding the Fourth Proportional to 15,564.44, 23,312.34 and 12,865.37

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Solution

The fourth proportional to 15,564.44, 23,312.34 and 12,865.37 is: 19,269.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,564.44 : 23,312.34 = 12,865.37 : x
  2. Step 2: Convert to fraction form
    15,564.44/23,312.34 = 12,865.37/x
  3. Step 3: Cross multiply
    15,564.44x = 23,312.34 × 12,865.37
  4. Step 4: Simplify right side
    15,564.44x = 299,921,879.67
  5. Step 5: Solve for x
    x = 299,921,879.67/15,564.44
  6. Step 6: Final answer
    x = 19,269.69

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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.