Home / 14,415.49-19,892.64-8,040.94

Finding the Fourth Proportional to 14,415.49, 19,892.64 and 8,040.94

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Solution

The fourth proportional to 14,415.49, 19,892.64 and 8,040.94 is: 11,096.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.49 : 19,892.64 = 8,040.94 : x
  2. Step 2: Convert to fraction form
    14,415.49/19,892.64 = 8,040.94/x
  3. Step 3: Cross multiply
    14,415.49x = 19,892.64 × 8,040.94
  4. Step 4: Simplify right side
    14,415.49x = 159,955,524.68
  5. Step 5: Solve for x
    x = 159,955,524.68/14,415.49
  6. Step 6: Final answer
    x = 11,096.09

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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.