Home / 14,217.12-19,619.64-8,250

Finding the Fourth Proportional to 14,217.12, 19,619.64 and 8,250

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Solution

The fourth proportional to 14,217.12, 19,619.64 and 8,250 is: 11,385.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.12 : 19,619.64 = 8,250 : x
  2. Step 2: Convert to fraction form
    14,217.12/19,619.64 = 8,250/x
  3. Step 3: Cross multiply
    14,217.12x = 19,619.64 × 8,250
  4. Step 4: Simplify right side
    14,217.12x = 161,862,030
  5. Step 5: Solve for x
    x = 161,862,030/14,217.12
  6. Step 6: Final answer
    x = 11,385.01

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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.