Home / 15,257.10-22,878.60-6,936.78

Finding the Fourth Proportional to 15,257.10, 22,878.60 and 6,936.78

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Solution

The fourth proportional to 15,257.10, 22,878.60 and 6,936.78 is: 10,401.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,257.10 : 22,878.60 = 6,936.78 : x
  2. Step 2: Convert to fraction form
    15,257.10/22,878.60 = 6,936.78/x
  3. Step 3: Cross multiply
    15,257.10x = 22,878.60 × 6,936.78
  4. Step 4: Simplify right side
    15,257.10x = 158,703,814.91
  5. Step 5: Solve for x
    x = 158,703,814.91/15,257.10
  6. Step 6: Final answer
    x = 10,401.96

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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.