Home / 23,046.60-31,804.68-13,615.14

Finding the Fourth Proportional to 23,046.60, 31,804.68 and 13,615.14

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Solution

The fourth proportional to 23,046.60, 31,804.68 and 13,615.14 is: 18,789.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,046.60 : 31,804.68 = 13,615.14 : x
  2. Step 2: Convert to fraction form
    23,046.60/31,804.68 = 13,615.14/x
  3. Step 3: Cross multiply
    23,046.60x = 31,804.68 × 13,615.14
  4. Step 4: Simplify right side
    23,046.60x = 433,025,170.86
  5. Step 5: Solve for x
    x = 433,025,170.86/23,046.60
  6. Step 6: Final answer
    x = 18,789.11

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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.