Home / 18,273.89-25,217.79-10,315.95

Finding the Fourth Proportional to 18,273.89, 25,217.79 and 10,315.95

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Solution

The fourth proportional to 18,273.89, 25,217.79 and 10,315.95 is: 14,235.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.89 : 25,217.79 = 10,315.95 : x
  2. Step 2: Convert to fraction form
    18,273.89/25,217.79 = 10,315.95/x
  3. Step 3: Cross multiply
    18,273.89x = 25,217.79 × 10,315.95
  4. Step 4: Simplify right side
    18,273.89x = 260,145,460.75
  5. Step 5: Solve for x
    x = 260,145,460.75/18,273.89
  6. Step 6: Final answer
    x = 14,235.91

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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.