Home / 20,195.06-30,292.79-7,047.74

Finding the Fourth Proportional to 20,195.06, 30,292.79 and 7,047.74

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Solution

The fourth proportional to 20,195.06, 30,292.79 and 7,047.74 is: 10,571.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.06 : 30,292.79 = 7,047.74 : x
  2. Step 2: Convert to fraction form
    20,195.06/30,292.79 = 7,047.74/x
  3. Step 3: Cross multiply
    20,195.06x = 30,292.79 × 7,047.74
  4. Step 4: Simplify right side
    20,195.06x = 213,495,748.29
  5. Step 5: Solve for x
    x = 213,495,748.29/20,195.06
  6. Step 6: Final answer
    x = 10,571.68

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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.