Home / 14,250.69-19,664.64-8,936.28

Finding the Fourth Proportional to 14,250.69, 19,664.64 and 8,936.28

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Solution

The fourth proportional to 14,250.69, 19,664.64 and 8,936.28 is: 12,331.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.69 : 19,664.64 = 8,936.28 : x
  2. Step 2: Convert to fraction form
    14,250.69/19,664.64 = 8,936.28/x
  3. Step 3: Cross multiply
    14,250.69x = 19,664.64 × 8,936.28
  4. Step 4: Simplify right side
    14,250.69x = 175,728,729.14
  5. Step 5: Solve for x
    x = 175,728,729.14/14,250.69
  6. Step 6: Final answer
    x = 12,331.24

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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.