Home / 12,224.79-16,869.94-6,919.49

Finding the Fourth Proportional to 12,224.79, 16,869.94 and 6,919.49

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Solution

The fourth proportional to 12,224.79, 16,869.94 and 6,919.49 is: 9,548.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.79 : 16,869.94 = 6,919.49 : x
  2. Step 2: Convert to fraction form
    12,224.79/16,869.94 = 6,919.49/x
  3. Step 3: Cross multiply
    12,224.79x = 16,869.94 × 6,919.49
  4. Step 4: Simplify right side
    12,224.79x = 116,731,406.01
  5. Step 5: Solve for x
    x = 116,731,406.01/12,224.79
  6. Step 6: Final answer
    x = 9,548.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.