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Finding the Fourth Proportional to 13,528.29, 18,656.96 and 8,492.98

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Solution

The fourth proportional to 13,528.29, 18,656.96 and 8,492.98 is: 11,712.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.29 : 18,656.96 = 8,492.98 : x
  2. Step 2: Convert to fraction form
    13,528.29/18,656.96 = 8,492.98/x
  3. Step 3: Cross multiply
    13,528.29x = 18,656.96 × 8,492.98
  4. Step 4: Simplify right side
    13,528.29x = 158,453,223.49
  5. Step 5: Solve for x
    x = 158,453,223.49/13,528.29
  6. Step 6: Final answer
    x = 11,712.73

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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.