Home / 18,521.64-27,779.72-6,832.17

Finding the Fourth Proportional to 18,521.64, 27,779.72 and 6,832.17

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Solution

The fourth proportional to 18,521.64, 27,779.72 and 6,832.17 is: 10,247.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.64 : 27,779.72 = 6,832.17 : x
  2. Step 2: Convert to fraction form
    18,521.64/27,779.72 = 6,832.17/x
  3. Step 3: Cross multiply
    18,521.64x = 27,779.72 × 6,832.17
  4. Step 4: Simplify right side
    18,521.64x = 189,795,735.43
  5. Step 5: Solve for x
    x = 189,795,735.43/18,521.64
  6. Step 6: Final answer
    x = 10,247.24

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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.