Home / 14,134.68-21,187.41-4,771.56

Finding the Fourth Proportional to 14,134.68, 21,187.41 and 4,771.56

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Solution

The fourth proportional to 14,134.68, 21,187.41 and 4,771.56 is: 7,152.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.68 : 21,187.41 = 4,771.56 : x
  2. Step 2: Convert to fraction form
    14,134.68/21,187.41 = 4,771.56/x
  3. Step 3: Cross multiply
    14,134.68x = 21,187.41 × 4,771.56
  4. Step 4: Simplify right side
    14,134.68x = 101,096,998.06
  5. Step 5: Solve for x
    x = 101,096,998.06/14,134.68
  6. Step 6: Final answer
    x = 7,152.41

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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.