Home / 14,150.28-21,218.22-5,378.52

Finding the Fourth Proportional to 14,150.28, 21,218.22 and 5,378.52

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Solution

The fourth proportional to 14,150.28, 21,218.22 and 5,378.52 is: 8,065.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.28 : 21,218.22 = 5,378.52 : x
  2. Step 2: Convert to fraction form
    14,150.28/21,218.22 = 5,378.52/x
  3. Step 3: Cross multiply
    14,150.28x = 21,218.22 × 5,378.52
  4. Step 4: Simplify right side
    14,150.28x = 114,122,620.63
  5. Step 5: Solve for x
    x = 114,122,620.63/14,150.28
  6. Step 6: Final answer
    x = 8,065.04

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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.