Home / 12,916.36-19,343.38-7,352.83

Finding the Fourth Proportional to 12,916.36, 19,343.38 and 7,352.83

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Solution

The fourth proportional to 12,916.36, 19,343.38 and 7,352.83 is: 11,011.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,916.36 : 19,343.38 = 7,352.83 : x
  2. Step 2: Convert to fraction form
    12,916.36/19,343.38 = 7,352.83/x
  3. Step 3: Cross multiply
    12,916.36x = 19,343.38 × 7,352.83
  4. Step 4: Simplify right side
    12,916.36x = 142,228,584.77
  5. Step 5: Solve for x
    x = 142,228,584.77/12,916.36
  6. Step 6: Final answer
    x = 11,011.51

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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.