Home / 18,360.26-25,337.71-12,992.32

Finding the Fourth Proportional to 18,360.26, 25,337.71 and 12,992.32

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Solution

The fourth proportional to 18,360.26, 25,337.71 and 12,992.32 is: 17,929.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.26 : 25,337.71 = 12,992.32 : x
  2. Step 2: Convert to fraction form
    18,360.26/25,337.71 = 12,992.32/x
  3. Step 3: Cross multiply
    18,360.26x = 25,337.71 × 12,992.32
  4. Step 4: Simplify right side
    18,360.26x = 329,195,636.39
  5. Step 5: Solve for x
    x = 329,195,636.39/18,360.26
  6. Step 6: Final answer
    x = 17,929.79

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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.