Home / 20,194.51-30,289.60-7,047.13

Finding the Fourth Proportional to 20,194.51, 30,289.60 and 7,047.13

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Solution

The fourth proportional to 20,194.51, 30,289.60 and 7,047.13 is: 10,569.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.51 : 30,289.60 = 7,047.13 : x
  2. Step 2: Convert to fraction form
    20,194.51/30,289.60 = 7,047.13/x
  3. Step 3: Cross multiply
    20,194.51x = 30,289.60 × 7,047.13
  4. Step 4: Simplify right side
    20,194.51x = 213,454,748.85
  5. Step 5: Solve for x
    x = 213,454,748.85/20,194.51
  6. Step 6: Final answer
    x = 10,569.94

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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.