Home / 14,348.31-19,800.86-8,682.99

Finding the Fourth Proportional to 14,348.31, 19,800.86 and 8,682.99

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Solution

The fourth proportional to 14,348.31, 19,800.86 and 8,682.99 is: 11,982.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,348.31 : 19,800.86 = 8,682.99 : x
  2. Step 2: Convert to fraction form
    14,348.31/19,800.86 = 8,682.99/x
  3. Step 3: Cross multiply
    14,348.31x = 19,800.86 × 8,682.99
  4. Step 4: Simplify right side
    14,348.31x = 171,930,625.96
  5. Step 5: Solve for x
    x = 171,930,625.96/14,348.31
  6. Step 6: Final answer
    x = 11,982.64

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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.