Home / 18,378.95-25,362.92-10,826.82

Finding the Fourth Proportional to 18,378.95, 25,362.92 and 10,826.82

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Solution

The fourth proportional to 18,378.95, 25,362.92 and 10,826.82 is: 14,940.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378.95 : 25,362.92 = 10,826.82 : x
  2. Step 2: Convert to fraction form
    18,378.95/25,362.92 = 10,826.82/x
  3. Step 3: Cross multiply
    18,378.95x = 25,362.92 × 10,826.82
  4. Step 4: Simplify right side
    18,378.95x = 274,599,642.70
  5. Step 5: Solve for x
    x = 274,599,642.70/18,378.95
  6. Step 6: Final answer
    x = 14,940.99

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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.