Home / 20,334.01-30,506.28-11,907.63

Finding the Fourth Proportional to 20,334.01, 30,506.28 and 11,907.63

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Solution

The fourth proportional to 20,334.01, 30,506.28 and 11,907.63 is: 17,864.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334.01 : 30,506.28 = 11,907.63 : x
  2. Step 2: Convert to fraction form
    20,334.01/30,506.28 = 11,907.63/x
  3. Step 3: Cross multiply
    20,334.01x = 30,506.28 × 11,907.63
  4. Step 4: Simplify right side
    20,334.01x = 363,257,544.43
  5. Step 5: Solve for x
    x = 363,257,544.43/20,334.01
  6. Step 6: Final answer
    x = 17,864.53

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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.