Home / 11,429.64-15,768.27-6,949.80

Finding the Fourth Proportional to 11,429.64, 15,768.27 and 6,949.80

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Solution

The fourth proportional to 11,429.64, 15,768.27 and 6,949.80 is: 9,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,429.64 : 15,768.27 = 6,949.80 : x
  2. Step 2: Convert to fraction form
    11,429.64/15,768.27 = 6,949.80/x
  3. Step 3: Cross multiply
    11,429.64x = 15,768.27 × 6,949.80
  4. Step 4: Simplify right side
    11,429.64x = 109,586,322.85
  5. Step 5: Solve for x
    x = 109,586,322.85/11,429.64
  6. Step 6: Final answer
    x = 9,587.91

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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.