Home / 18,523.64-25,536.06-13,209.24

Finding the Fourth Proportional to 18,523.64, 25,536.06 and 13,209.24

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Solution

The fourth proportional to 18,523.64, 25,536.06 and 13,209.24 is: 18,209.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,523.64 : 25,536.06 = 13,209.24 : x
  2. Step 2: Convert to fraction form
    18,523.64/25,536.06 = 13,209.24/x
  3. Step 3: Cross multiply
    18,523.64x = 25,536.06 × 13,209.24
  4. Step 4: Simplify right side
    18,523.64x = 337,311,945.19
  5. Step 5: Solve for x
    x = 337,311,945.19/18,523.64
  6. Step 6: Final answer
    x = 18,209.81

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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.