Home / 20,187.15-30,282.24-5,395.74

Finding the Fourth Proportional to 20,187.15, 30,282.24 and 5,395.74

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Solution

The fourth proportional to 20,187.15, 30,282.24 and 5,395.74 is: 8,094.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187.15 : 30,282.24 = 5,395.74 : x
  2. Step 2: Convert to fraction form
    20,187.15/30,282.24 = 5,395.74/x
  3. Step 3: Cross multiply
    20,187.15x = 30,282.24 × 5,395.74
  4. Step 4: Simplify right side
    20,187.15x = 163,395,093.66
  5. Step 5: Solve for x
    x = 163,395,093.66/20,187.15
  6. Step 6: Final answer
    x = 8,094.01

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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.