Home / 14,705.36-20,293.42-7,991.06

Finding the Fourth Proportional to 14,705.36, 20,293.42 and 7,991.06

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Solution

The fourth proportional to 14,705.36, 20,293.42 and 7,991.06 is: 11,027.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,705.36 : 20,293.42 = 7,991.06 : x
  2. Step 2: Convert to fraction form
    14,705.36/20,293.42 = 7,991.06/x
  3. Step 3: Cross multiply
    14,705.36x = 20,293.42 × 7,991.06
  4. Step 4: Simplify right side
    14,705.36x = 162,165,936.83
  5. Step 5: Solve for x
    x = 162,165,936.83/14,705.36
  6. Step 6: Final answer
    x = 11,027.68

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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.