Home / 25,674.74-38,511.80-8,144.72

Finding the Fourth Proportional to 25,674.74, 38,511.80 and 8,144.72

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Solution

The fourth proportional to 25,674.74, 38,511.80 and 8,144.72 is: 12,216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,674.74 : 38,511.80 = 8,144.72 : x
  2. Step 2: Convert to fraction form
    25,674.74/38,511.80 = 8,144.72/x
  3. Step 3: Cross multiply
    25,674.74x = 38,511.80 × 8,144.72
  4. Step 4: Simplify right side
    25,674.74x = 313,667,827.70
  5. Step 5: Solve for x
    x = 313,667,827.70/25,674.74
  6. Step 6: Final answer
    x = 12,216.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.