Home / 20,134.68-30,190.10-6,090.45

Finding the Fourth Proportional to 20,134.68, 30,190.10 and 6,090.45

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Solution

The fourth proportional to 20,134.68, 30,190.10 and 6,090.45 is: 9,132.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.68 : 30,190.10 = 6,090.45 : x
  2. Step 2: Convert to fraction form
    20,134.68/30,190.10 = 6,090.45/x
  3. Step 3: Cross multiply
    20,134.68x = 30,190.10 × 6,090.45
  4. Step 4: Simplify right side
    20,134.68x = 183,871,264.09
  5. Step 5: Solve for x
    x = 183,871,264.09/20,134.68
  6. Step 6: Final answer
    x = 9,132.07

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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.