Home / 14,705.34-20,293.41-7,990.92

Finding the Fourth Proportional to 14,705.34, 20,293.41 and 7,990.92

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Solution

The fourth proportional to 14,705.34, 20,293.41 and 7,990.92 is: 11,027.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,705.34 : 20,293.41 = 7,990.92 : x
  2. Step 2: Convert to fraction form
    14,705.34/20,293.41 = 7,990.92/x
  3. Step 3: Cross multiply
    14,705.34x = 20,293.41 × 7,990.92
  4. Step 4: Simplify right side
    14,705.34x = 162,163,015.84
  5. Step 5: Solve for x
    x = 162,163,015.84/14,705.34
  6. Step 6: Final answer
    x = 11,027.49

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Double scale
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Similar ratio
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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.