Home / 14,999.11-20,701.43-8,625.21

Finding the Fourth Proportional to 14,999.11, 20,701.43 and 8,625.21

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Solution

The fourth proportional to 14,999.11, 20,701.43 and 8,625.21 is: 11,904.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999.11 : 20,701.43 = 8,625.21 : x
  2. Step 2: Convert to fraction form
    14,999.11/20,701.43 = 8,625.21/x
  3. Step 3: Cross multiply
    14,999.11x = 20,701.43 × 8,625.21
  4. Step 4: Simplify right side
    14,999.11x = 178,554,181.05
  5. Step 5: Solve for x
    x = 178,554,181.05/14,999.11
  6. Step 6: Final answer
    x = 11,904.32

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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.