Home / 23,086.36-31,856.11-13,015.23

Finding the Fourth Proportional to 23,086.36, 31,856.11 and 13,015.23

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Solution

The fourth proportional to 23,086.36, 31,856.11 and 13,015.23 is: 17,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,086.36 : 31,856.11 = 13,015.23 : x
  2. Step 2: Convert to fraction form
    23,086.36/31,856.11 = 13,015.23/x
  3. Step 3: Cross multiply
    23,086.36x = 31,856.11 × 13,015.23
  4. Step 4: Simplify right side
    23,086.36x = 414,614,406.74
  5. Step 5: Solve for x
    x = 414,614,406.74/23,086.36
  6. Step 6: Final answer
    x = 17,959.28

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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.