Home / 20,296.21-30,444.32-13,282.13

Finding the Fourth Proportional to 20,296.21, 30,444.32 and 13,282.13

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Solution

The fourth proportional to 20,296.21, 30,444.32 and 13,282.13 is: 19,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,296.21 : 30,444.32 = 13,282.13 : x
  2. Step 2: Convert to fraction form
    20,296.21/30,444.32 = 13,282.13/x
  3. Step 3: Cross multiply
    20,296.21x = 30,444.32 × 13,282.13
  4. Step 4: Simplify right side
    20,296.21x = 404,365,416.00
  5. Step 5: Solve for x
    x = 404,365,416.00/20,296.21
  6. Step 6: Final answer
    x = 19,923.20

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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.