Home / 21,584.24-29,779.40-12,150.98

Finding the Fourth Proportional to 21,584.24, 29,779.40 and 12,150.98

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Solution

The fourth proportional to 21,584.24, 29,779.40 and 12,150.98 is: 16,764.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584.24 : 29,779.40 = 12,150.98 : x
  2. Step 2: Convert to fraction form
    21,584.24/29,779.40 = 12,150.98/x
  3. Step 3: Cross multiply
    21,584.24x = 29,779.40 × 12,150.98
  4. Step 4: Simplify right side
    21,584.24x = 361,848,818.62
  5. Step 5: Solve for x
    x = 361,848,818.62/21,584.24
  6. Step 6: Final answer
    x = 16,764.49

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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.