Home / 13,021.09-19,525.86-5,999.40

Finding the Fourth Proportional to 13,021.09, 19,525.86 and 5,999.40

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Solution

The fourth proportional to 13,021.09, 19,525.86 and 5,999.40 is: 8,996.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.09 : 19,525.86 = 5,999.40 : x
  2. Step 2: Convert to fraction form
    13,021.09/19,525.86 = 5,999.40/x
  3. Step 3: Cross multiply
    13,021.09x = 19,525.86 × 5,999.40
  4. Step 4: Simplify right side
    13,021.09x = 117,143,444.48
  5. Step 5: Solve for x
    x = 117,143,444.48/13,021.09
  6. Step 6: Final answer
    x = 8,996.44

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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.