Home / 13,964.94-20,948.01-3,970.38

Finding the Fourth Proportional to 13,964.94, 20,948.01 and 3,970.38

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Solution

The fourth proportional to 13,964.94, 20,948.01 and 3,970.38 is: 5,955.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.94 : 20,948.01 = 3,970.38 : x
  2. Step 2: Convert to fraction form
    13,964.94/20,948.01 = 3,970.38/x
  3. Step 3: Cross multiply
    13,964.94x = 20,948.01 × 3,970.38
  4. Step 4: Simplify right side
    13,964.94x = 83,171,559.94
  5. Step 5: Solve for x
    x = 83,171,559.94/13,964.94
  6. Step 6: Final answer
    x = 5,955.74

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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.