Home / 23,012.12-31,738.48-14,936.96

Finding the Fourth Proportional to 23,012.12, 31,738.48 and 14,936.96

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Solution

The fourth proportional to 23,012.12, 31,738.48 and 14,936.96 is: 20,601.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,012.12 : 31,738.48 = 14,936.96 : x
  2. Step 2: Convert to fraction form
    23,012.12/31,738.48 = 14,936.96/x
  3. Step 3: Cross multiply
    23,012.12x = 31,738.48 × 14,936.96
  4. Step 4: Simplify right side
    23,012.12x = 474,076,406.22
  5. Step 5: Solve for x
    x = 474,076,406.22/23,012.12
  6. Step 6: Final answer
    x = 20,601.16

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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.