Home / 23,630.09-32,611.37-13,021.61

Finding the Fourth Proportional to 23,630.09, 32,611.37 and 13,021.61

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Solution

The fourth proportional to 23,630.09, 32,611.37 and 13,021.61 is: 17,970.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,630.09 : 32,611.37 = 13,021.61 : x
  2. Step 2: Convert to fraction form
    23,630.09/32,611.37 = 13,021.61/x
  3. Step 3: Cross multiply
    23,630.09x = 32,611.37 × 13,021.61
  4. Step 4: Simplify right side
    23,630.09x = 424,652,313.54
  5. Step 5: Solve for x
    x = 424,652,313.54/23,630.09
  6. Step 6: Final answer
    x = 17,970.83

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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.