Home / 22,684.02-31,302.60-12,611.88

Finding the Fourth Proportional to 22,684.02, 31,302.60 and 12,611.88

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Solution

The fourth proportional to 22,684.02, 31,302.60 and 12,611.88 is: 17,403.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,684.02 : 31,302.60 = 12,611.88 : x
  2. Step 2: Convert to fraction form
    22,684.02/31,302.60 = 12,611.88/x
  3. Step 3: Cross multiply
    22,684.02x = 31,302.60 × 12,611.88
  4. Step 4: Simplify right side
    22,684.02x = 394,784,634.89
  5. Step 5: Solve for x
    x = 394,784,634.89/22,684.02
  6. Step 6: Final answer
    x = 17,403.65

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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.