Home / 21,594.32-29,797.80-12,163.76

Finding the Fourth Proportional to 21,594.32, 29,797.80 and 12,163.76

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Solution

The fourth proportional to 21,594.32, 29,797.80 and 12,163.76 is: 16,784.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,594.32 : 29,797.80 = 12,163.76 : x
  2. Step 2: Convert to fraction form
    21,594.32/29,797.80 = 12,163.76/x
  3. Step 3: Cross multiply
    21,594.32x = 29,797.80 × 12,163.76
  4. Step 4: Simplify right side
    21,594.32x = 362,453,287.73
  5. Step 5: Solve for x
    x = 362,453,287.73/21,594.32
  6. Step 6: Final answer
    x = 16,784.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.