Home / 20,203.56-30,301.64-6,160.24

Finding the Fourth Proportional to 20,203.56, 30,301.64 and 6,160.24

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Solution

The fourth proportional to 20,203.56, 30,301.64 and 6,160.24 is: 9,239.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203.56 : 30,301.64 = 6,160.24 : x
  2. Step 2: Convert to fraction form
    20,203.56/30,301.64 = 6,160.24/x
  3. Step 3: Cross multiply
    20,203.56x = 30,301.64 × 6,160.24
  4. Step 4: Simplify right side
    20,203.56x = 186,665,374.79
  5. Step 5: Solve for x
    x = 186,665,374.79/20,203.56
  6. Step 6: Final answer
    x = 9,239.23

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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.