Home / 14,090.25-19,444.50-8,121.88

Finding the Fourth Proportional to 14,090.25, 19,444.50 and 8,121.88

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Solution

The fourth proportional to 14,090.25, 19,444.50 and 8,121.88 is: 11,208.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.25 : 19,444.50 = 8,121.88 : x
  2. Step 2: Convert to fraction form
    14,090.25/19,444.50 = 8,121.88/x
  3. Step 3: Cross multiply
    14,090.25x = 19,444.50 × 8,121.88
  4. Step 4: Simplify right side
    14,090.25x = 157,925,895.66
  5. Step 5: Solve for x
    x = 157,925,895.66/14,090.25
  6. Step 6: Final answer
    x = 11,208.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.