Home / 12,446.26-18,673.03-3,681.40

Finding the Fourth Proportional to 12,446.26, 18,673.03 and 3,681.40

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Solution

The fourth proportional to 12,446.26, 18,673.03 and 3,681.40 is: 5,523.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.26 : 18,673.03 = 3,681.40 : x
  2. Step 2: Convert to fraction form
    12,446.26/18,673.03 = 3,681.40/x
  3. Step 3: Cross multiply
    12,446.26x = 18,673.03 × 3,681.40
  4. Step 4: Simplify right side
    12,446.26x = 68,742,892.64
  5. Step 5: Solve for x
    x = 68,742,892.64/12,446.26
  6. Step 6: Final answer
    x = 5,523.18

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Why These Related Problems?

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