Home / 15,785.12-23,655.12-11,592.23

Finding the Fourth Proportional to 15,785.12, 23,655.12 and 11,592.23

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Solution

The fourth proportional to 15,785.12, 23,655.12 and 11,592.23 is: 17,371.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,785.12 : 23,655.12 = 11,592.23 : x
  2. Step 2: Convert to fraction form
    15,785.12/23,655.12 = 11,592.23/x
  3. Step 3: Cross multiply
    15,785.12x = 23,655.12 × 11,592.23
  4. Step 4: Simplify right side
    15,785.12x = 274,215,591.72
  5. Step 5: Solve for x
    x = 274,215,591.72/15,785.12
  6. Step 6: Final answer
    x = 17,371.78

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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.