Home / 23,089.34-31,863.44-12,478.96

Finding the Fourth Proportional to 23,089.34, 31,863.44 and 12,478.96

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Solution

The fourth proportional to 23,089.34, 31,863.44 and 12,478.96 is: 17,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,089.34 : 31,863.44 = 12,478.96 : x
  2. Step 2: Convert to fraction form
    23,089.34/31,863.44 = 12,478.96/x
  3. Step 3: Cross multiply
    23,089.34x = 31,863.44 × 12,478.96
  4. Step 4: Simplify right side
    23,089.34x = 397,622,371.51
  5. Step 5: Solve for x
    x = 397,622,371.51/23,089.34
  6. Step 6: Final answer
    x = 17,221.04

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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.