Home / 23,188.07-31,999.55-13,116.31

Finding the Fourth Proportional to 23,188.07, 31,999.55 and 13,116.31

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Solution

The fourth proportional to 23,188.07, 31,999.55 and 13,116.31 is: 18,100.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,188.07 : 31,999.55 = 13,116.31 : x
  2. Step 2: Convert to fraction form
    23,188.07/31,999.55 = 13,116.31/x
  3. Step 3: Cross multiply
    23,188.07x = 31,999.55 × 13,116.31
  4. Step 4: Simplify right side
    23,188.07x = 419,715,872.08
  5. Step 5: Solve for x
    x = 419,715,872.08/23,188.07
  6. Step 6: Final answer
    x = 18,100.51

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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.