Home / 21,608.37-32,416.98-12,252.57

Finding the Fourth Proportional to 21,608.37, 32,416.98 and 12,252.57

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Solution

The fourth proportional to 21,608.37, 32,416.98 and 12,252.57 is: 18,381.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,608.37 : 32,416.98 = 12,252.57 : x
  2. Step 2: Convert to fraction form
    21,608.37/32,416.98 = 12,252.57/x
  3. Step 3: Cross multiply
    21,608.37x = 32,416.98 × 12,252.57
  4. Step 4: Simplify right side
    21,608.37x = 397,191,149.13
  5. Step 5: Solve for x
    x = 397,191,149.13/21,608.37
  6. Step 6: Final answer
    x = 18,381.36

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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.