Home / 12,679.28-19,014.26-4,356.93

Finding the Fourth Proportional to 12,679.28, 19,014.26 and 4,356.93

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Solution

The fourth proportional to 12,679.28, 19,014.26 and 4,356.93 is: 6,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679.28 : 19,014.26 = 4,356.93 : x
  2. Step 2: Convert to fraction form
    12,679.28/19,014.26 = 4,356.93/x
  3. Step 3: Cross multiply
    12,679.28x = 19,014.26 × 4,356.93
  4. Step 4: Simplify right side
    12,679.28x = 82,843,778.04
  5. Step 5: Solve for x
    x = 82,843,778.04/12,679.28
  6. Step 6: Final answer
    x = 6,533.79

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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.