Home / 14,713.73-20,305.12-7,999.21

Finding the Fourth Proportional to 14,713.73, 20,305.12 and 7,999.21

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Solution

The fourth proportional to 14,713.73, 20,305.12 and 7,999.21 is: 11,039.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,713.73 : 20,305.12 = 7,999.21 : x
  2. Step 2: Convert to fraction form
    14,713.73/20,305.12 = 7,999.21/x
  3. Step 3: Cross multiply
    14,713.73x = 20,305.12 × 7,999.21
  4. Step 4: Simplify right side
    14,713.73x = 162,424,918.96
  5. Step 5: Solve for x
    x = 162,424,918.96/14,713.73
  6. Step 6: Final answer
    x = 11,039.00

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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.