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Finding the Fourth Proportional to 13,370.17, 18,453.93 and 8,894.11

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Solution

The fourth proportional to 13,370.17, 18,453.93 and 8,894.11 is: 12,275.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.17 : 18,453.93 = 8,894.11 : x
  2. Step 2: Convert to fraction form
    13,370.17/18,453.93 = 8,894.11/x
  3. Step 3: Cross multiply
    13,370.17x = 18,453.93 × 8,894.11
  4. Step 4: Simplify right side
    13,370.17x = 164,131,146.61
  5. Step 5: Solve for x
    x = 164,131,146.61/13,370.17
  6. Step 6: Final answer
    x = 12,275.93

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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.