Home / 14,181.21-21,262.70-6,785.51

Finding the Fourth Proportional to 14,181.21, 21,262.70 and 6,785.51

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Solution

The fourth proportional to 14,181.21, 21,262.70 and 6,785.51 is: 10,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.21 : 21,262.70 = 6,785.51 : x
  2. Step 2: Convert to fraction form
    14,181.21/21,262.70 = 6,785.51/x
  3. Step 3: Cross multiply
    14,181.21x = 21,262.70 × 6,785.51
  4. Step 4: Simplify right side
    14,181.21x = 144,278,174.13
  5. Step 5: Solve for x
    x = 144,278,174.13/14,181.21
  6. Step 6: Final answer
    x = 10,173.90

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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.