Home / 13,072.70-19,574.22-7,517.72

Finding the Fourth Proportional to 13,072.70, 19,574.22 and 7,517.72

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Solution

The fourth proportional to 13,072.70, 19,574.22 and 7,517.72 is: 11,256.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.70 : 19,574.22 = 7,517.72 : x
  2. Step 2: Convert to fraction form
    13,072.70/19,574.22 = 7,517.72/x
  3. Step 3: Cross multiply
    13,072.70x = 19,574.22 × 7,517.72
  4. Step 4: Simplify right side
    13,072.70x = 147,153,582.31
  5. Step 5: Solve for x
    x = 147,153,582.31/13,072.70
  6. Step 6: Final answer
    x = 11,256.55

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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.