Home / 11,695.64-16,138.58-6,659.87

Finding the Fourth Proportional to 11,695.64, 16,138.58 and 6,659.87

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Solution

The fourth proportional to 11,695.64, 16,138.58 and 6,659.87 is: 9,189.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,695.64 : 16,138.58 = 6,659.87 : x
  2. Step 2: Convert to fraction form
    11,695.64/16,138.58 = 6,659.87/x
  3. Step 3: Cross multiply
    11,695.64x = 16,138.58 × 6,659.87
  4. Step 4: Simplify right side
    11,695.64x = 107,480,730.79
  5. Step 5: Solve for x
    x = 107,480,730.79/11,695.64
  6. Step 6: Final answer
    x = 9,189.82

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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.