Home / 14,227.02-19,634.40-7,940.34

Finding the Fourth Proportional to 14,227.02, 19,634.40 and 7,940.34

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Solution

The fourth proportional to 14,227.02, 19,634.40 and 7,940.34 is: 10,958.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.02 : 19,634.40 = 7,940.34 : x
  2. Step 2: Convert to fraction form
    14,227.02/19,634.40 = 7,940.34/x
  3. Step 3: Cross multiply
    14,227.02x = 19,634.40 × 7,940.34
  4. Step 4: Simplify right side
    14,227.02x = 155,903,811.70
  5. Step 5: Solve for x
    x = 155,903,811.70/14,227.02
  6. Step 6: Final answer
    x = 10,958.29

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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.