Home / 14,224.08-21,320.22-5,330.86

Finding the Fourth Proportional to 14,224.08, 21,320.22 and 5,330.86

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Solution

The fourth proportional to 14,224.08, 21,320.22 and 5,330.86 is: 7,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.08 : 21,320.22 = 5,330.86 : x
  2. Step 2: Convert to fraction form
    14,224.08/21,320.22 = 5,330.86/x
  3. Step 3: Cross multiply
    14,224.08x = 21,320.22 × 5,330.86
  4. Step 4: Simplify right side
    14,224.08x = 113,655,074.68
  5. Step 5: Solve for x
    x = 113,655,074.68/14,224.08
  6. Step 6: Final answer
    x = 7,990.33

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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.