Home / 20,259.05-30,370.07-7,104.24

Finding the Fourth Proportional to 20,259.05, 30,370.07 and 7,104.24

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Solution

The fourth proportional to 20,259.05, 30,370.07 and 7,104.24 is: 10,649.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,259.05 : 30,370.07 = 7,104.24 : x
  2. Step 2: Convert to fraction form
    20,259.05/30,370.07 = 7,104.24/x
  3. Step 3: Cross multiply
    20,259.05x = 30,370.07 × 7,104.24
  4. Step 4: Simplify right side
    20,259.05x = 215,756,283.86
  5. Step 5: Solve for x
    x = 215,756,283.86/20,259.05
  6. Step 6: Final answer
    x = 10,649.87

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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.