Home / 19,670.36-29,511.02-8,578.03

Finding the Fourth Proportional to 19,670.36, 29,511.02 and 8,578.03

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Solution

The fourth proportional to 19,670.36, 29,511.02 and 8,578.03 is: 12,869.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.36 : 29,511.02 = 8,578.03 : x
  2. Step 2: Convert to fraction form
    19,670.36/29,511.02 = 8,578.03/x
  3. Step 3: Cross multiply
    19,670.36x = 29,511.02 × 8,578.03
  4. Step 4: Simplify right side
    19,670.36x = 253,146,372.00
  5. Step 5: Solve for x
    x = 253,146,372.00/19,670.36
  6. Step 6: Final answer
    x = 12,869.43

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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.