Home / 18,353.36-25,327.68-9,969.92

Finding the Fourth Proportional to 18,353.36, 25,327.68 and 9,969.92

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Solution

The fourth proportional to 18,353.36, 25,327.68 and 9,969.92 is: 13,758.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.36 : 25,327.68 = 9,969.92 : x
  2. Step 2: Convert to fraction form
    18,353.36/25,327.68 = 9,969.92/x
  3. Step 3: Cross multiply
    18,353.36x = 25,327.68 × 9,969.92
  4. Step 4: Simplify right side
    18,353.36x = 252,514,943.39
  5. Step 5: Solve for x
    x = 252,514,943.39/18,353.36
  6. Step 6: Final answer
    x = 13,758.51

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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.