Home / 13,932.41-19,227.06-7,964.64

Finding the Fourth Proportional to 13,932.41, 19,227.06 and 7,964.64

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Solution

The fourth proportional to 13,932.41, 19,227.06 and 7,964.64 is: 10,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.41 : 19,227.06 = 7,964.64 : x
  2. Step 2: Convert to fraction form
    13,932.41/19,227.06 = 7,964.64/x
  3. Step 3: Cross multiply
    13,932.41x = 19,227.06 × 7,964.64
  4. Step 4: Simplify right side
    13,932.41x = 153,136,579.48
  5. Step 5: Solve for x
    x = 153,136,579.48/13,932.41
  6. Step 6: Final answer
    x = 10,991.39

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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.