Home / 21,537.36-32,296.32-8,379.72

Finding the Fourth Proportional to 21,537.36, 32,296.32 and 8,379.72

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Solution

The fourth proportional to 21,537.36, 32,296.32 and 8,379.72 is: 12,565.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,537.36 : 32,296.32 = 8,379.72 : x
  2. Step 2: Convert to fraction form
    21,537.36/32,296.32 = 8,379.72/x
  3. Step 3: Cross multiply
    21,537.36x = 32,296.32 × 8,379.72
  4. Step 4: Simplify right side
    21,537.36x = 270,634,118.63
  5. Step 5: Solve for x
    x = 270,634,118.63/21,537.36
  6. Step 6: Final answer
    x = 12,565.80

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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.