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Finding the Fourth Proportional to 12,500.56, 18,802.68 and 11,308.24

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Solution

The fourth proportional to 12,500.56, 18,802.68 and 11,308.24 is: 17,009.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.56 : 18,802.68 = 11,308.24 : x
  2. Step 2: Convert to fraction form
    12,500.56/18,802.68 = 11,308.24/x
  3. Step 3: Cross multiply
    12,500.56x = 18,802.68 × 11,308.24
  4. Step 4: Simplify right side
    12,500.56x = 212,625,218.08
  5. Step 5: Solve for x
    x = 212,625,218.08/12,500.56
  6. Step 6: Final answer
    x = 17,009.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.