Home / 12,764.58-19,144.83-6,529.20

Finding the Fourth Proportional to 12,764.58, 19,144.83 and 6,529.20

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Solution

The fourth proportional to 12,764.58, 19,144.83 and 6,529.20 is: 9,792.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.58 : 19,144.83 = 6,529.20 : x
  2. Step 2: Convert to fraction form
    12,764.58/19,144.83 = 6,529.20/x
  3. Step 3: Cross multiply
    12,764.58x = 19,144.83 × 6,529.20
  4. Step 4: Simplify right side
    12,764.58x = 125,000,424.04
  5. Step 5: Solve for x
    x = 125,000,424.04/12,764.58
  6. Step 6: Final answer
    x = 9,792.76

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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.