Home / 12,666.26-19,003.50-6,091.60

Finding the Fourth Proportional to 12,666.26, 19,003.50 and 6,091.60

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Solution

The fourth proportional to 12,666.26, 19,003.50 and 6,091.60 is: 9,139.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,666.26 : 19,003.50 = 6,091.60 : x
  2. Step 2: Convert to fraction form
    12,666.26/19,003.50 = 6,091.60/x
  3. Step 3: Cross multiply
    12,666.26x = 19,003.50 × 6,091.60
  4. Step 4: Simplify right side
    12,666.26x = 115,761,602.74
  5. Step 5: Solve for x
    x = 115,761,602.74/12,666.26
  6. Step 6: Final answer
    x = 9,139.36

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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.