Home / 22,405.20-33,633.40-13,176.40

Finding the Fourth Proportional to 22,405.20, 33,633.40 and 13,176.40

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Solution

The fourth proportional to 22,405.20, 33,633.40 and 13,176.40 is: 19,779.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,405.20 : 33,633.40 = 13,176.40 : x
  2. Step 2: Convert to fraction form
    22,405.20/33,633.40 = 13,176.40/x
  3. Step 3: Cross multiply
    22,405.20x = 33,633.40 × 13,176.40
  4. Step 4: Simplify right side
    22,405.20x = 443,167,131.76
  5. Step 5: Solve for x
    x = 443,167,131.76/22,405.20
  6. Step 6: Final answer
    x = 19,779.66

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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.