Home / 18,326.88-25,311.96-12,348.18

Finding the Fourth Proportional to 18,326.88, 25,311.96 and 12,348.18

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Solution

The fourth proportional to 18,326.88, 25,311.96 and 12,348.18 is: 17,054.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.88 : 25,311.96 = 12,348.18 : x
  2. Step 2: Convert to fraction form
    18,326.88/25,311.96 = 12,348.18/x
  3. Step 3: Cross multiply
    18,326.88x = 25,311.96 × 12,348.18
  4. Step 4: Simplify right side
    18,326.88x = 312,556,638.23
  5. Step 5: Solve for x
    x = 312,556,638.23/18,326.88
  6. Step 6: Final answer
    x = 17,054.55

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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.