Home / 20,113.48-30,160.47-11,796.22

Finding the Fourth Proportional to 20,113.48, 30,160.47 and 11,796.22

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Solution

The fourth proportional to 20,113.48, 30,160.47 and 11,796.22 is: 17,688.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,113.48 : 30,160.47 = 11,796.22 : x
  2. Step 2: Convert to fraction form
    20,113.48/30,160.47 = 11,796.22/x
  3. Step 3: Cross multiply
    20,113.48x = 30,160.47 × 11,796.22
  4. Step 4: Simplify right side
    20,113.48x = 355,779,388.62
  5. Step 5: Solve for x
    x = 355,779,388.62/20,113.48
  6. Step 6: Final answer
    x = 17,688.61

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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.