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Finding the Fourth Proportional to 12,179, 16,795.08 and 7,399.64

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Solution

The fourth proportional to 12,179, 16,795.08 and 7,399.64 is: 10,204.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179 : 16,795.08 = 7,399.64 : x
  2. Step 2: Convert to fraction form
    12,179/16,795.08 = 7,399.64/x
  3. Step 3: Cross multiply
    12,179x = 16,795.08 × 7,399.64
  4. Step 4: Simplify right side
    12,179x = 124,277,545.77
  5. Step 5: Solve for x
    x = 124,277,545.77/12,179
  6. Step 6: Final answer
    x = 10,204.25

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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.