Home / 14,634.20-21,951.30-9,385.40

Finding the Fourth Proportional to 14,634.20, 21,951.30 and 9,385.40

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Solution

The fourth proportional to 14,634.20, 21,951.30 and 9,385.40 is: 14,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,634.20 : 21,951.30 = 9,385.40 : x
  2. Step 2: Convert to fraction form
    14,634.20/21,951.30 = 9,385.40/x
  3. Step 3: Cross multiply
    14,634.20x = 21,951.30 × 9,385.40
  4. Step 4: Simplify right side
    14,634.20x = 206,021,731.02
  5. Step 5: Solve for x
    x = 206,021,731.02/14,634.20
  6. Step 6: Final answer
    x = 14,078.10

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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.