Home / 14,100.81-21,151.46-5,339.85

Finding the Fourth Proportional to 14,100.81, 21,151.46 and 5,339.85

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Solution

The fourth proportional to 14,100.81, 21,151.46 and 5,339.85 is: 8,009.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.81 : 21,151.46 = 5,339.85 : x
  2. Step 2: Convert to fraction form
    14,100.81/21,151.46 = 5,339.85/x
  3. Step 3: Cross multiply
    14,100.81x = 21,151.46 × 5,339.85
  4. Step 4: Simplify right side
    14,100.81x = 112,945,623.68
  5. Step 5: Solve for x
    x = 112,945,623.68/14,100.81
  6. Step 6: Final answer
    x = 8,009.87

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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.