Home / 23,148.60-31,945.06-12,538.23

Finding the Fourth Proportional to 23,148.60, 31,945.06 and 12,538.23

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Solution

The fourth proportional to 23,148.60, 31,945.06 and 12,538.23 is: 17,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,148.60 : 31,945.06 = 12,538.23 : x
  2. Step 2: Convert to fraction form
    23,148.60/31,945.06 = 12,538.23/x
  3. Step 3: Cross multiply
    23,148.60x = 31,945.06 × 12,538.23
  4. Step 4: Simplify right side
    23,148.60x = 400,534,584.37
  5. Step 5: Solve for x
    x = 400,534,584.37/23,148.60
  6. Step 6: Final answer
    x = 17,302.76

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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.