Home / 11,731.64-16,190.69-6,953.04

Finding the Fourth Proportional to 11,731.64, 16,190.69 and 6,953.04

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Solution

The fourth proportional to 11,731.64, 16,190.69 and 6,953.04 is: 9,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.64 : 16,190.69 = 6,953.04 : x
  2. Step 2: Convert to fraction form
    11,731.64/16,190.69 = 6,953.04/x
  3. Step 3: Cross multiply
    11,731.64x = 16,190.69 × 6,953.04
  4. Step 4: Simplify right side
    11,731.64x = 112,574,480.43
  5. Step 5: Solve for x
    x = 112,574,480.43/11,731.64
  6. Step 6: Final answer
    x = 9,595.80

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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.