Home / 15,544.71-21,450.60-9,576.48

Finding the Fourth Proportional to 15,544.71, 21,450.60 and 9,576.48

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Solution

The fourth proportional to 15,544.71, 21,450.60 and 9,576.48 is: 13,214.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,544.71 : 21,450.60 = 9,576.48 : x
  2. Step 2: Convert to fraction form
    15,544.71/21,450.60 = 9,576.48/x
  3. Step 3: Cross multiply
    15,544.71x = 21,450.60 × 9,576.48
  4. Step 4: Simplify right side
    15,544.71x = 205,421,174.73
  5. Step 5: Solve for x
    x = 205,421,174.73/15,544.71
  6. Step 6: Final answer
    x = 13,214.86

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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.