Home / 12,579.59-17,360.01-6,914.88

Finding the Fourth Proportional to 12,579.59, 17,360.01 and 6,914.88

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Solution

The fourth proportional to 12,579.59, 17,360.01 and 6,914.88 is: 9,542.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,579.59 : 17,360.01 = 6,914.88 : x
  2. Step 2: Convert to fraction form
    12,579.59/17,360.01 = 6,914.88/x
  3. Step 3: Cross multiply
    12,579.59x = 17,360.01 × 6,914.88
  4. Step 4: Simplify right side
    12,579.59x = 120,042,385.95
  5. Step 5: Solve for x
    x = 120,042,385.95/12,579.59
  6. Step 6: Final answer
    x = 9,542.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.