Home / 16,415.12-24,571.76-13,268.88

Finding the Fourth Proportional to 16,415.12, 24,571.76 and 13,268.88

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Solution

The fourth proportional to 16,415.12, 24,571.76 and 13,268.88 is: 19,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,415.12 : 24,571.76 = 13,268.88 : x
  2. Step 2: Convert to fraction form
    16,415.12/24,571.76 = 13,268.88/x
  3. Step 3: Cross multiply
    16,415.12x = 24,571.76 × 13,268.88
  4. Step 4: Simplify right side
    16,415.12x = 326,039,668.48
  5. Step 5: Solve for x
    x = 326,039,668.48/16,415.12
  6. Step 6: Final answer
    x = 19,862.15

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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.