Home / 20,242.70-30,364.10-7,092.05

Finding the Fourth Proportional to 20,242.70, 30,364.10 and 7,092.05

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Solution

The fourth proportional to 20,242.70, 30,364.10 and 7,092.05 is: 10,638.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.70 : 30,364.10 = 7,092.05 : x
  2. Step 2: Convert to fraction form
    20,242.70/30,364.10 = 7,092.05/x
  3. Step 3: Cross multiply
    20,242.70x = 30,364.10 × 7,092.05
  4. Step 4: Simplify right side
    20,242.70x = 215,343,528.12
  5. Step 5: Solve for x
    x = 215,343,528.12/20,242.70
  6. Step 6: Final answer
    x = 10,638.09

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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.