Home / 15,431.64-23,149.92-5,573.36

Finding the Fourth Proportional to 15,431.64, 23,149.92 and 5,573.36

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Solution

The fourth proportional to 15,431.64, 23,149.92 and 5,573.36 is: 8,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,431.64 : 23,149.92 = 5,573.36 : x
  2. Step 2: Convert to fraction form
    15,431.64/23,149.92 = 5,573.36/x
  3. Step 3: Cross multiply
    15,431.64x = 23,149.92 × 5,573.36
  4. Step 4: Simplify right side
    15,431.64x = 129,022,838.13
  5. Step 5: Solve for x
    x = 129,022,838.13/15,431.64
  6. Step 6: Final answer
    x = 8,360.93

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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.