Home / 19,995.20-29,992.84-5,204.10

Finding the Fourth Proportional to 19,995.20, 29,992.84 and 5,204.10

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Solution

The fourth proportional to 19,995.20, 29,992.84 and 5,204.10 is: 7,806.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.20 : 29,992.84 = 5,204.10 : x
  2. Step 2: Convert to fraction form
    19,995.20/29,992.84 = 5,204.10/x
  3. Step 3: Cross multiply
    19,995.20x = 29,992.84 × 5,204.10
  4. Step 4: Simplify right side
    19,995.20x = 156,085,738.64
  5. Step 5: Solve for x
    x = 156,085,738.64/19,995.20
  6. Step 6: Final answer
    x = 7,806.16

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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.