Home / 12,916.26-19,374.50-5,516.92

Finding the Fourth Proportional to 12,916.26, 19,374.50 and 5,516.92

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Solution

The fourth proportional to 12,916.26, 19,374.50 and 5,516.92 is: 8,275.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,916.26 : 19,374.50 = 5,516.92 : x
  2. Step 2: Convert to fraction form
    12,916.26/19,374.50 = 5,516.92/x
  3. Step 3: Cross multiply
    12,916.26x = 19,374.50 × 5,516.92
  4. Step 4: Simplify right side
    12,916.26x = 106,887,566.54
  5. Step 5: Solve for x
    x = 106,887,566.54/12,916.26
  6. Step 6: Final answer
    x = 8,275.43

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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.