Home / 13,958.31-20,934.23-4,094.94

Finding the Fourth Proportional to 13,958.31, 20,934.23 and 4,094.94

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Solution

The fourth proportional to 13,958.31, 20,934.23 and 4,094.94 is: 6,141.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.31 : 20,934.23 = 4,094.94 : x
  2. Step 2: Convert to fraction form
    13,958.31/20,934.23 = 4,094.94/x
  3. Step 3: Cross multiply
    13,958.31x = 20,934.23 × 4,094.94
  4. Step 4: Simplify right side
    13,958.31x = 85,724,395.32
  5. Step 5: Solve for x
    x = 85,724,395.32/13,958.31
  6. Step 6: Final answer
    x = 6,141.46

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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.