Home / 20,186.15-30,284.10-6,335.15

Finding the Fourth Proportional to 20,186.15, 30,284.10 and 6,335.15

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Solution

The fourth proportional to 20,186.15, 30,284.10 and 6,335.15 is: 9,504.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186.15 : 30,284.10 = 6,335.15 : x
  2. Step 2: Convert to fraction form
    20,186.15/30,284.10 = 6,335.15/x
  3. Step 3: Cross multiply
    20,186.15x = 30,284.10 × 6,335.15
  4. Step 4: Simplify right side
    20,186.15x = 191,854,164.69
  5. Step 5: Solve for x
    x = 191,854,164.69/20,186.15
  6. Step 6: Final answer
    x = 9,504.25

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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.