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Finding the Fourth Proportional to 13,881.04, 19,152.04 and 7,910.53

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Solution

The fourth proportional to 13,881.04, 19,152.04 and 7,910.53 is: 10,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881.04 : 19,152.04 = 7,910.53 : x
  2. Step 2: Convert to fraction form
    13,881.04/19,152.04 = 7,910.53/x
  3. Step 3: Cross multiply
    13,881.04x = 19,152.04 × 7,910.53
  4. Step 4: Simplify right side
    13,881.04x = 151,502,651.67
  5. Step 5: Solve for x
    x = 151,502,651.67/13,881.04
  6. Step 6: Final answer
    x = 10,914.36

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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.