Home / 19,433.88-29,128.68-8,334.84

Finding the Fourth Proportional to 19,433.88, 29,128.68 and 8,334.84

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Solution

The fourth proportional to 19,433.88, 29,128.68 and 8,334.84 is: 12,492.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,433.88 : 29,128.68 = 8,334.84 : x
  2. Step 2: Convert to fraction form
    19,433.88/29,128.68 = 8,334.84/x
  3. Step 3: Cross multiply
    19,433.88x = 29,128.68 × 8,334.84
  4. Step 4: Simplify right side
    19,433.88x = 242,782,887.21
  5. Step 5: Solve for x
    x = 242,782,887.21/19,433.88
  6. Step 6: Final answer
    x = 12,492.76

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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.