Home / 14,226.98-19,635.09-7,940.66

Finding the Fourth Proportional to 14,226.98, 19,635.09 and 7,940.66

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Solution

The fourth proportional to 14,226.98, 19,635.09 and 7,940.66 is: 10,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.98 : 19,635.09 = 7,940.66 : x
  2. Step 2: Convert to fraction form
    14,226.98/19,635.09 = 7,940.66/x
  3. Step 3: Cross multiply
    14,226.98x = 19,635.09 × 7,940.66
  4. Step 4: Simplify right side
    14,226.98x = 155,915,573.76
  5. Step 5: Solve for x
    x = 155,915,573.76/14,226.98
  6. Step 6: Final answer
    x = 10,959.15

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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.