Home / 12,170.69-16,795.51-6,865.50

Finding the Fourth Proportional to 12,170.69, 16,795.51 and 6,865.50

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Solution

The fourth proportional to 12,170.69, 16,795.51 and 6,865.50 is: 9,474.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.69 : 16,795.51 = 6,865.50 : x
  2. Step 2: Convert to fraction form
    12,170.69/16,795.51 = 6,865.50/x
  3. Step 3: Cross multiply
    12,170.69x = 16,795.51 × 6,865.50
  4. Step 4: Simplify right side
    12,170.69x = 115,309,619.72
  5. Step 5: Solve for x
    x = 115,309,619.72/12,170.69
  6. Step 6: Final answer
    x = 9,474.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.