Home / 12,511.83-18,772.62-4,726.11

Finding the Fourth Proportional to 12,511.83, 18,772.62 and 4,726.11

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Solution

The fourth proportional to 12,511.83, 18,772.62 and 4,726.11 is: 7,091.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,511.83 : 18,772.62 = 4,726.11 : x
  2. Step 2: Convert to fraction form
    12,511.83/18,772.62 = 4,726.11/x
  3. Step 3: Cross multiply
    12,511.83x = 18,772.62 × 4,726.11
  4. Step 4: Simplify right side
    12,511.83x = 88,721,467.11
  5. Step 5: Solve for x
    x = 88,721,467.11/12,511.83
  6. Step 6: Final answer
    x = 7,091.01

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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.