Home / 13,321.24-19,995.03-7,081.27

Finding the Fourth Proportional to 13,321.24, 19,995.03 and 7,081.27

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Solution

The fourth proportional to 13,321.24, 19,995.03 and 7,081.27 is: 10,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321.24 : 19,995.03 = 7,081.27 : x
  2. Step 2: Convert to fraction form
    13,321.24/19,995.03 = 7,081.27/x
  3. Step 3: Cross multiply
    13,321.24x = 19,995.03 × 7,081.27
  4. Step 4: Simplify right side
    13,321.24x = 141,590,156.10
  5. Step 5: Solve for x
    x = 141,590,156.10/13,321.24
  6. Step 6: Final answer
    x = 10,628.90

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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.