Home / 20,199.06-30,292.92-7,710.48

Finding the Fourth Proportional to 20,199.06, 30,292.92 and 7,710.48

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Solution

The fourth proportional to 20,199.06, 30,292.92 and 7,710.48 is: 11,563.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.06 : 30,292.92 = 7,710.48 : x
  2. Step 2: Convert to fraction form
    20,199.06/30,292.92 = 7,710.48/x
  3. Step 3: Cross multiply
    20,199.06x = 30,292.92 × 7,710.48
  4. Step 4: Simplify right side
    20,199.06x = 233,572,953.80
  5. Step 5: Solve for x
    x = 233,572,953.80/20,199.06
  6. Step 6: Final answer
    x = 11,563.56

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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.