Home / 18,513.68-25,546.05-11,805.03

Finding the Fourth Proportional to 18,513.68, 25,546.05 and 11,805.03

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Solution

The fourth proportional to 18,513.68, 25,546.05 and 11,805.03 is: 16,289.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513.68 : 25,546.05 = 11,805.03 : x
  2. Step 2: Convert to fraction form
    18,513.68/25,546.05 = 11,805.03/x
  3. Step 3: Cross multiply
    18,513.68x = 25,546.05 × 11,805.03
  4. Step 4: Simplify right side
    18,513.68x = 301,571,886.63
  5. Step 5: Solve for x
    x = 301,571,886.63/18,513.68
  6. Step 6: Final answer
    x = 16,289.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.