Home / 23,186.63-31,999.14-13,115.08

Finding the Fourth Proportional to 23,186.63, 31,999.14 and 13,115.08

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Solution

The fourth proportional to 23,186.63, 31,999.14 and 13,115.08 is: 18,099.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,186.63 : 31,999.14 = 13,115.08 : x
  2. Step 2: Convert to fraction form
    23,186.63/31,999.14 = 13,115.08/x
  3. Step 3: Cross multiply
    23,186.63x = 31,999.14 × 13,115.08
  4. Step 4: Simplify right side
    23,186.63x = 419,671,281.03
  5. Step 5: Solve for x
    x = 419,671,281.03/23,186.63
  6. Step 6: Final answer
    x = 18,099.71

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Similar ratio
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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.