Home / 13,489.26-20,233.65-5,167.02

Finding the Fourth Proportional to 13,489.26, 20,233.65 and 5,167.02

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Solution

The fourth proportional to 13,489.26, 20,233.65 and 5,167.02 is: 7,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,489.26 : 20,233.65 = 5,167.02 : x
  2. Step 2: Convert to fraction form
    13,489.26/20,233.65 = 5,167.02/x
  3. Step 3: Cross multiply
    13,489.26x = 20,233.65 × 5,167.02
  4. Step 4: Simplify right side
    13,489.26x = 104,547,674.22
  5. Step 5: Solve for x
    x = 104,547,674.22/13,489.26
  6. Step 6: Final answer
    x = 7,750.44

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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.