Home / 18,986.25-26,200.92-10,488.95

Finding the Fourth Proportional to 18,986.25, 26,200.92 and 10,488.95

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Solution

The fourth proportional to 18,986.25, 26,200.92 and 10,488.95 is: 14,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,986.25 : 26,200.92 = 10,488.95 : x
  2. Step 2: Convert to fraction form
    18,986.25/26,200.92 = 10,488.95/x
  3. Step 3: Cross multiply
    18,986.25x = 26,200.92 × 10,488.95
  4. Step 4: Simplify right side
    18,986.25x = 274,820,234.80
  5. Step 5: Solve for x
    x = 274,820,234.80/18,986.25
  6. Step 6: Final answer
    x = 14,474.70

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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.