Home / 14,100.21-19,462.14-8,791.88

Finding the Fourth Proportional to 14,100.21, 19,462.14 and 8,791.88

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Solution

The fourth proportional to 14,100.21, 19,462.14 and 8,791.88 is: 12,135.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.21 : 19,462.14 = 8,791.88 : x
  2. Step 2: Convert to fraction form
    14,100.21/19,462.14 = 8,791.88/x
  3. Step 3: Cross multiply
    14,100.21x = 19,462.14 × 8,791.88
  4. Step 4: Simplify right side
    14,100.21x = 171,108,702.11
  5. Step 5: Solve for x
    x = 171,108,702.11/14,100.21
  6. Step 6: Final answer
    x = 12,135.19

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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.