Home / 12,672.23-19,010.43-5,277.02

Finding the Fourth Proportional to 12,672.23, 19,010.43 and 5,277.02

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Solution

The fourth proportional to 12,672.23, 19,010.43 and 5,277.02 is: 7,916.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672.23 : 19,010.43 = 5,277.02 : x
  2. Step 2: Convert to fraction form
    12,672.23/19,010.43 = 5,277.02/x
  3. Step 3: Cross multiply
    12,672.23x = 19,010.43 × 5,277.02
  4. Step 4: Simplify right side
    12,672.23x = 100,318,324.27
  5. Step 5: Solve for x
    x = 100,318,324.27/12,672.23
  6. Step 6: Final answer
    x = 7,916.39

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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.