Home / 13,222.06-19,820.93-5,720.92

Finding the Fourth Proportional to 13,222.06, 19,820.93 and 5,720.92

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Solution

The fourth proportional to 13,222.06, 19,820.93 and 5,720.92 is: 8,576.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,222.06 : 19,820.93 = 5,720.92 : x
  2. Step 2: Convert to fraction form
    13,222.06/19,820.93 = 5,720.92/x
  3. Step 3: Cross multiply
    13,222.06x = 19,820.93 × 5,720.92
  4. Step 4: Simplify right side
    13,222.06x = 113,393,876.70
  5. Step 5: Solve for x
    x = 113,393,876.70/13,222.06
  6. Step 6: Final answer
    x = 8,576.11

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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.