Home / 14,228.04-19,635.46-7,940.36

Finding the Fourth Proportional to 14,228.04, 19,635.46 and 7,940.36

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Solution

The fourth proportional to 14,228.04, 19,635.46 and 7,940.36 is: 10,958.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.04 : 19,635.46 = 7,940.36 : x
  2. Step 2: Convert to fraction form
    14,228.04/19,635.46 = 7,940.36/x
  3. Step 3: Cross multiply
    14,228.04x = 19,635.46 × 7,940.36
  4. Step 4: Simplify right side
    14,228.04x = 155,912,621.17
  5. Step 5: Solve for x
    x = 155,912,621.17/14,228.04
  6. Step 6: Final answer
    x = 10,958.12

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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.