Home / 13,929.79-20,901.87-9,253.03

Finding the Fourth Proportional to 13,929.79, 20,901.87 and 9,253.03

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Solution

The fourth proportional to 13,929.79, 20,901.87 and 9,253.03 is: 13,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929.79 : 20,901.87 = 9,253.03 : x
  2. Step 2: Convert to fraction form
    13,929.79/20,901.87 = 9,253.03/x
  3. Step 3: Cross multiply
    13,929.79x = 20,901.87 × 9,253.03
  4. Step 4: Simplify right side
    13,929.79x = 193,405,630.17
  5. Step 5: Solve for x
    x = 193,405,630.17/13,929.79
  6. Step 6: Final answer
    x = 13,884.32

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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.