Home / 19,571.64-29,357.17-7,884.56

Finding the Fourth Proportional to 19,571.64, 29,357.17 and 7,884.56

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Solution

The fourth proportional to 19,571.64, 29,357.17 and 7,884.56 is: 11,826.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.64 : 29,357.17 = 7,884.56 : x
  2. Step 2: Convert to fraction form
    19,571.64/29,357.17 = 7,884.56/x
  3. Step 3: Cross multiply
    19,571.64x = 29,357.17 × 7,884.56
  4. Step 4: Simplify right side
    19,571.64x = 231,468,368.30
  5. Step 5: Solve for x
    x = 231,468,368.30/19,571.64
  6. Step 6: Final answer
    x = 11,826.72

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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.