Home / 14,228.61-19,635.45-7,940.97

Finding the Fourth Proportional to 14,228.61, 19,635.45 and 7,940.97

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Solution

The fourth proportional to 14,228.61, 19,635.45 and 7,940.97 is: 10,958.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.61 : 19,635.45 = 7,940.97 : x
  2. Step 2: Convert to fraction form
    14,228.61/19,635.45 = 7,940.97/x
  3. Step 3: Cross multiply
    14,228.61x = 19,635.45 × 7,940.97
  4. Step 4: Simplify right side
    14,228.61x = 155,924,519.39
  5. Step 5: Solve for x
    x = 155,924,519.39/14,228.61
  6. Step 6: Final answer
    x = 10,958.52

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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.