Home / 13,964.31-20,943.23-4,100.94

Finding the Fourth Proportional to 13,964.31, 20,943.23 and 4,100.94

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Solution

The fourth proportional to 13,964.31, 20,943.23 and 4,100.94 is: 6,150.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.31 : 20,943.23 = 4,100.94 : x
  2. Step 2: Convert to fraction form
    13,964.31/20,943.23 = 4,100.94/x
  3. Step 3: Cross multiply
    13,964.31x = 20,943.23 × 4,100.94
  4. Step 4: Simplify right side
    13,964.31x = 85,886,909.13
  5. Step 5: Solve for x
    x = 85,886,909.13/13,964.31
  6. Step 6: Final answer
    x = 6,150.46

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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.