Home / 18,420.72-27,633.51-5,936.64

Finding the Fourth Proportional to 18,420.72, 27,633.51 and 5,936.64

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Solution

The fourth proportional to 18,420.72, 27,633.51 and 5,936.64 is: 8,905.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,420.72 : 27,633.51 = 5,936.64 : x
  2. Step 2: Convert to fraction form
    18,420.72/27,633.51 = 5,936.64/x
  3. Step 3: Cross multiply
    18,420.72x = 27,633.51 × 5,936.64
  4. Step 4: Simplify right side
    18,420.72x = 164,050,200.81
  5. Step 5: Solve for x
    x = 164,050,200.81/18,420.72
  6. Step 6: Final answer
    x = 8,905.74

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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.