Home / 9,994.20-14,991.50-3,427.93

Finding the Fourth Proportional to 9,994.20, 14,991.50 and 3,427.93

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Solution

The fourth proportional to 9,994.20, 14,991.50 and 3,427.93 is: 5,141.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994.20 : 14,991.50 = 3,427.93 : x
  2. Step 2: Convert to fraction form
    9,994.20/14,991.50 = 3,427.93/x
  3. Step 3: Cross multiply
    9,994.20x = 14,991.50 × 3,427.93
  4. Step 4: Simplify right side
    9,994.20x = 51,389,812.60
  5. Step 5: Solve for x
    x = 51,389,812.60/9,994.20
  6. Step 6: Final answer
    x = 5,141.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.