Home / 18,634.95-25,725.66-11,835.81

Finding the Fourth Proportional to 18,634.95, 25,725.66 and 11,835.81

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Solution

The fourth proportional to 18,634.95, 25,725.66 and 11,835.81 is: 16,339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.95 : 25,725.66 = 11,835.81 : x
  2. Step 2: Convert to fraction form
    18,634.95/25,725.66 = 11,835.81/x
  3. Step 3: Cross multiply
    18,634.95x = 25,725.66 × 11,835.81
  4. Step 4: Simplify right side
    18,634.95x = 304,484,023.88
  5. Step 5: Solve for x
    x = 304,484,023.88/18,634.95
  6. Step 6: Final answer
    x = 16,339.41

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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.