Home / 20,433.99-30,602.54-13,015.96

Finding the Fourth Proportional to 20,433.99, 30,602.54 and 13,015.96

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Solution

The fourth proportional to 20,433.99, 30,602.54 and 13,015.96 is: 19,493.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433.99 : 30,602.54 = 13,015.96 : x
  2. Step 2: Convert to fraction form
    20,433.99/30,602.54 = 13,015.96/x
  3. Step 3: Cross multiply
    20,433.99x = 30,602.54 × 13,015.96
  4. Step 4: Simplify right side
    20,433.99x = 398,321,392.57
  5. Step 5: Solve for x
    x = 398,321,392.57/20,433.99
  6. Step 6: Final answer
    x = 19,493.08

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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.