Home / 12,510.82-18,745.40-8,805.27

Finding the Fourth Proportional to 12,510.82, 18,745.40 and 8,805.27

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Solution

The fourth proportional to 12,510.82, 18,745.40 and 8,805.27 is: 13,193.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510.82 : 18,745.40 = 8,805.27 : x
  2. Step 2: Convert to fraction form
    12,510.82/18,745.40 = 8,805.27/x
  3. Step 3: Cross multiply
    12,510.82x = 18,745.40 × 8,805.27
  4. Step 4: Simplify right side
    12,510.82x = 165,058,308.26
  5. Step 5: Solve for x
    x = 165,058,308.26/12,510.82
  6. Step 6: Final answer
    x = 13,193.24

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1.5x scale

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.