Home / 10,725.20-14,799.48-6,249.68

Finding the Fourth Proportional to 10,725.20, 14,799.48 and 6,249.68

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Solution

The fourth proportional to 10,725.20, 14,799.48 and 6,249.68 is: 8,623.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,725.20 : 14,799.48 = 6,249.68 : x
  2. Step 2: Convert to fraction form
    10,725.20/14,799.48 = 6,249.68/x
  3. Step 3: Cross multiply
    10,725.20x = 14,799.48 × 6,249.68
  4. Step 4: Simplify right side
    10,725.20x = 92,492,014.17
  5. Step 5: Solve for x
    x = 92,492,014.17/10,725.20
  6. Step 6: Final answer
    x = 8,623.80

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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.