Home / 17,720.32-26,544.03-12,799.84

Finding the Fourth Proportional to 17,720.32, 26,544.03 and 12,799.84

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Solution

The fourth proportional to 17,720.32, 26,544.03 and 12,799.84 is: 19,173.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.32 : 26,544.03 = 12,799.84 : x
  2. Step 2: Convert to fraction form
    17,720.32/26,544.03 = 12,799.84/x
  3. Step 3: Cross multiply
    17,720.32x = 26,544.03 × 12,799.84
  4. Step 4: Simplify right side
    17,720.32x = 339,759,222.60
  5. Step 5: Solve for x
    x = 339,759,222.60/17,720.32
  6. Step 6: Final answer
    x = 19,173.43

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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.