Home / 20,130.82-30,197.28-6,090.49

Finding the Fourth Proportional to 20,130.82, 30,197.28 and 6,090.49

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Solution

The fourth proportional to 20,130.82, 30,197.28 and 6,090.49 is: 9,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130.82 : 30,197.28 = 6,090.49 : x
  2. Step 2: Convert to fraction form
    20,130.82/30,197.28 = 6,090.49/x
  3. Step 3: Cross multiply
    20,130.82x = 30,197.28 × 6,090.49
  4. Step 4: Simplify right side
    20,130.82x = 183,916,201.41
  5. Step 5: Solve for x
    x = 183,916,201.41/20,130.82
  6. Step 6: Final answer
    x = 9,136.05

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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.