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Finding the Fourth Proportional to 13,193.01, 18,206.55 and 7,225.22

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Solution

The fourth proportional to 13,193.01, 18,206.55 and 7,225.22 is: 9,970.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.01 : 18,206.55 = 7,225.22 : x
  2. Step 2: Convert to fraction form
    13,193.01/18,206.55 = 7,225.22/x
  3. Step 3: Cross multiply
    13,193.01x = 18,206.55 × 7,225.22
  4. Step 4: Simplify right side
    13,193.01x = 131,546,374.71
  5. Step 5: Solve for x
    x = 131,546,374.71/13,193.01
  6. Step 6: Final answer
    x = 9,970.91

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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.