Home / 12,774.66-19,145.37-6,529.41

Finding the Fourth Proportional to 12,774.66, 19,145.37 and 6,529.41

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Solution

The fourth proportional to 12,774.66, 19,145.37 and 6,529.41 is: 9,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774.66 : 19,145.37 = 6,529.41 : x
  2. Step 2: Convert to fraction form
    12,774.66/19,145.37 = 6,529.41/x
  3. Step 3: Cross multiply
    12,774.66x = 19,145.37 × 6,529.41
  4. Step 4: Simplify right side
    12,774.66x = 125,007,970.33
  5. Step 5: Solve for x
    x = 125,007,970.33/12,774.66
  6. Step 6: Final answer
    x = 9,785.62

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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.