Home / 15,884.64-23,826.96-5,497.20

Finding the Fourth Proportional to 15,884.64, 23,826.96 and 5,497.20

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Solution

The fourth proportional to 15,884.64, 23,826.96 and 5,497.20 is: 8,245.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,884.64 : 23,826.96 = 5,497.20 : x
  2. Step 2: Convert to fraction form
    15,884.64/23,826.96 = 5,497.20/x
  3. Step 3: Cross multiply
    15,884.64x = 23,826.96 × 5,497.20
  4. Step 4: Simplify right side
    15,884.64x = 130,981,564.51
  5. Step 5: Solve for x
    x = 130,981,564.51/15,884.64
  6. Step 6: Final answer
    x = 8,245.80

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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.