Home / 13,930.29-20,902.62-9,253.53

Finding the Fourth Proportional to 13,930.29, 20,902.62 and 9,253.53

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Solution

The fourth proportional to 13,930.29, 20,902.62 and 9,253.53 is: 13,885.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930.29 : 20,902.62 = 9,253.53 : x
  2. Step 2: Convert to fraction form
    13,930.29/20,902.62 = 9,253.53/x
  3. Step 3: Cross multiply
    13,930.29x = 20,902.62 × 9,253.53
  4. Step 4: Simplify right side
    13,930.29x = 193,423,021.25
  5. Step 5: Solve for x
    x = 193,423,021.25/13,930.29
  6. Step 6: Final answer
    x = 13,885.07

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1.5x scale

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.