Home / 13,226.47-18,253.33-8,742.44

Finding the Fourth Proportional to 13,226.47, 18,253.33 and 8,742.44

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Solution

The fourth proportional to 13,226.47, 18,253.33 and 8,742.44 is: 12,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.47 : 18,253.33 = 8,742.44 : x
  2. Step 2: Convert to fraction form
    13,226.47/18,253.33 = 8,742.44/x
  3. Step 3: Cross multiply
    13,226.47x = 18,253.33 × 8,742.44
  4. Step 4: Simplify right side
    13,226.47x = 159,578,666.10
  5. Step 5: Solve for x
    x = 159,578,666.10/13,226.47
  6. Step 6: Final answer
    x = 12,065.10

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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.