Home / 12,764.16-19,150.28-6,917.58

Finding the Fourth Proportional to 12,764.16, 19,150.28 and 6,917.58

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Solution

The fourth proportional to 12,764.16, 19,150.28 and 6,917.58 is: 10,378.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.16 : 19,150.28 = 6,917.58 : x
  2. Step 2: Convert to fraction form
    12,764.16/19,150.28 = 6,917.58/x
  3. Step 3: Cross multiply
    12,764.16x = 19,150.28 × 6,917.58
  4. Step 4: Simplify right side
    12,764.16x = 132,473,593.92
  5. Step 5: Solve for x
    x = 132,473,593.92/12,764.16
  6. Step 6: Final answer
    x = 10,378.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.