Home / 12,890.41-19,337.25-4,568.80

Finding the Fourth Proportional to 12,890.41, 19,337.25 and 4,568.80

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Solution

The fourth proportional to 12,890.41, 19,337.25 and 4,568.80 is: 6,853.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,890.41 : 19,337.25 = 4,568.80 : x
  2. Step 2: Convert to fraction form
    12,890.41/19,337.25 = 4,568.80/x
  3. Step 3: Cross multiply
    12,890.41x = 19,337.25 × 4,568.80
  4. Step 4: Simplify right side
    12,890.41x = 88,348,027.80
  5. Step 5: Solve for x
    x = 88,348,027.80/12,890.41
  6. Step 6: Final answer
    x = 6,853.78

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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.