Home / 12,774.66-19,145.36-6,529.42

Finding the Fourth Proportional to 12,774.66, 19,145.36 and 6,529.42

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Solution

The fourth proportional to 12,774.66, 19,145.36 and 6,529.42 is: 9,785.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774.66 : 19,145.36 = 6,529.42 : x
  2. Step 2: Convert to fraction form
    12,774.66/19,145.36 = 6,529.42/x
  3. Step 3: Cross multiply
    12,774.66x = 19,145.36 × 6,529.42
  4. Step 4: Simplify right side
    12,774.66x = 125,008,096.49
  5. Step 5: Solve for x
    x = 125,008,096.49/12,774.66
  6. Step 6: Final answer
    x = 9,785.63

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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.