Home / 12,942.79-19,423.16-5,923.66

Finding the Fourth Proportional to 12,942.79, 19,423.16 and 5,923.66

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Solution

The fourth proportional to 12,942.79, 19,423.16 and 5,923.66 is: 8,889.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942.79 : 19,423.16 = 5,923.66 : x
  2. Step 2: Convert to fraction form
    12,942.79/19,423.16 = 5,923.66/x
  3. Step 3: Cross multiply
    12,942.79x = 19,423.16 × 5,923.66
  4. Step 4: Simplify right side
    12,942.79x = 115,056,195.97
  5. Step 5: Solve for x
    x = 115,056,195.97/12,942.79
  6. Step 6: Final answer
    x = 8,889.60

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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.