Home / 14,189.54-21,268.38-4,820.81

Finding the Fourth Proportional to 14,189.54, 21,268.38 and 4,820.81

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Solution

The fourth proportional to 14,189.54, 21,268.38 and 4,820.81 is: 7,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.54 : 21,268.38 = 4,820.81 : x
  2. Step 2: Convert to fraction form
    14,189.54/21,268.38 = 4,820.81/x
  3. Step 3: Cross multiply
    14,189.54x = 21,268.38 × 4,820.81
  4. Step 4: Simplify right side
    14,189.54x = 102,530,818.99
  5. Step 5: Solve for x
    x = 102,530,818.99/14,189.54
  6. Step 6: Final answer
    x = 7,225.80

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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.