Home / 10,635.35-14,674.75-6,857.78

Finding the Fourth Proportional to 10,635.35, 14,674.75 and 6,857.78

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Solution

The fourth proportional to 10,635.35, 14,674.75 and 6,857.78 is: 9,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,635.35 : 14,674.75 = 6,857.78 : x
  2. Step 2: Convert to fraction form
    10,635.35/14,674.75 = 6,857.78/x
  3. Step 3: Cross multiply
    10,635.35x = 14,674.75 × 6,857.78
  4. Step 4: Simplify right side
    10,635.35x = 100,636,116.54
  5. Step 5: Solve for x
    x = 100,636,116.54/10,635.35
  6. Step 6: Final answer
    x = 9,462.42

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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.