Home / 13,222.08-19,833.21-4,456.86

Finding the Fourth Proportional to 13,222.08, 19,833.21 and 4,456.86

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Solution

The fourth proportional to 13,222.08, 19,833.21 and 4,456.86 is: 6,685.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,222.08 : 19,833.21 = 4,456.86 : x
  2. Step 2: Convert to fraction form
    13,222.08/19,833.21 = 4,456.86/x
  3. Step 3: Cross multiply
    13,222.08x = 19,833.21 × 4,456.86
  4. Step 4: Simplify right side
    13,222.08x = 88,393,840.32
  5. Step 5: Solve for x
    x = 88,393,840.32/13,222.08
  6. Step 6: Final answer
    x = 6,685.32

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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.