Home / 12,916.27-19,358.16-6,992.92

Finding the Fourth Proportional to 12,916.27, 19,358.16 and 6,992.92

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Solution

The fourth proportional to 12,916.27, 19,358.16 and 6,992.92 is: 10,480.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,916.27 : 19,358.16 = 6,992.92 : x
  2. Step 2: Convert to fraction form
    12,916.27/19,358.16 = 6,992.92/x
  3. Step 3: Cross multiply
    12,916.27x = 19,358.16 × 6,992.92
  4. Step 4: Simplify right side
    12,916.27x = 135,370,064.23
  5. Step 5: Solve for x
    x = 135,370,064.23/12,916.27
  6. Step 6: Final answer
    x = 10,480.58

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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.