Home / 11,579.71-15,979.98-6,274.66

Finding the Fourth Proportional to 11,579.71, 15,979.98 and 6,274.66

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Solution

The fourth proportional to 11,579.71, 15,979.98 and 6,274.66 is: 8,659.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.71 : 15,979.98 = 6,274.66 : x
  2. Step 2: Convert to fraction form
    11,579.71/15,979.98 = 6,274.66/x
  3. Step 3: Cross multiply
    11,579.71x = 15,979.98 × 6,274.66
  4. Step 4: Simplify right side
    11,579.71x = 100,268,941.31
  5. Step 5: Solve for x
    x = 100,268,941.31/11,579.71
  6. Step 6: Final answer
    x = 8,659.02

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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.