Home / 16,216.40-24,322.80-13,289.60

Finding the Fourth Proportional to 16,216.40, 24,322.80 and 13,289.60

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Solution

The fourth proportional to 16,216.40, 24,322.80 and 13,289.60 is: 19,932.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,216.40 : 24,322.80 = 13,289.60 : x
  2. Step 2: Convert to fraction form
    16,216.40/24,322.80 = 13,289.60/x
  3. Step 3: Cross multiply
    16,216.40x = 24,322.80 × 13,289.60
  4. Step 4: Simplify right side
    16,216.40x = 323,240,282.88
  5. Step 5: Solve for x
    x = 323,240,282.88/16,216.40
  6. Step 6: Final answer
    x = 19,932.92

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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.