Home / 10,512.69-15,761.74-4,961.36

Finding the Fourth Proportional to 10,512.69, 15,761.74 and 4,961.36

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Solution

The fourth proportional to 10,512.69, 15,761.74 and 4,961.36 is: 7,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.69 : 15,761.74 = 4,961.36 : x
  2. Step 2: Convert to fraction form
    10,512.69/15,761.74 = 4,961.36/x
  3. Step 3: Cross multiply
    10,512.69x = 15,761.74 × 4,961.36
  4. Step 4: Simplify right side
    10,512.69x = 78,199,666.37
  5. Step 5: Solve for x
    x = 78,199,666.37/10,512.69
  6. Step 6: Final answer
    x = 7,438.60

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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.