Home / 13,324.64-19,982.90-5,531.63

Finding the Fourth Proportional to 13,324.64, 19,982.90 and 5,531.63

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Solution

The fourth proportional to 13,324.64, 19,982.90 and 5,531.63 is: 8,295.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.64 : 19,982.90 = 5,531.63 : x
  2. Step 2: Convert to fraction form
    13,324.64/19,982.90 = 5,531.63/x
  3. Step 3: Cross multiply
    13,324.64x = 19,982.90 × 5,531.63
  4. Step 4: Simplify right side
    13,324.64x = 110,537,923.04
  5. Step 5: Solve for x
    x = 110,537,923.04/13,324.64
  6. Step 6: Final answer
    x = 8,295.76

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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.