Home / 10,299.87-14,205.36-6,318.18

Finding the Fourth Proportional to 10,299.87, 14,205.36 and 6,318.18

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Solution

The fourth proportional to 10,299.87, 14,205.36 and 6,318.18 is: 8,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.87 : 14,205.36 = 6,318.18 : x
  2. Step 2: Convert to fraction form
    10,299.87/14,205.36 = 6,318.18/x
  3. Step 3: Cross multiply
    10,299.87x = 14,205.36 × 6,318.18
  4. Step 4: Simplify right side
    10,299.87x = 89,752,021.44
  5. Step 5: Solve for x
    x = 89,752,021.44/10,299.87
  6. Step 6: Final answer
    x = 8,713.90

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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.