Home / 15,542.94-21,450.51-9,576.66

Finding the Fourth Proportional to 15,542.94, 21,450.51 and 9,576.66

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Solution

The fourth proportional to 15,542.94, 21,450.51 and 9,576.66 is: 13,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,542.94 : 21,450.51 = 9,576.66 : x
  2. Step 2: Convert to fraction form
    15,542.94/21,450.51 = 9,576.66/x
  3. Step 3: Cross multiply
    15,542.94x = 21,450.51 × 9,576.66
  4. Step 4: Simplify right side
    15,542.94x = 205,424,241.10
  5. Step 5: Solve for x
    x = 205,424,241.10/15,542.94
  6. Step 6: Final answer
    x = 13,216.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.