Home / 10,885.14-16,333.88-4,644.56

Finding the Fourth Proportional to 10,885.14, 16,333.88 and 4,644.56

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Solution

The fourth proportional to 10,885.14, 16,333.88 and 4,644.56 is: 6,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.14 : 16,333.88 = 4,644.56 : x
  2. Step 2: Convert to fraction form
    10,885.14/16,333.88 = 4,644.56/x
  3. Step 3: Cross multiply
    10,885.14x = 16,333.88 × 4,644.56
  4. Step 4: Simplify right side
    10,885.14x = 75,863,685.69
  5. Step 5: Solve for x
    x = 75,863,685.69/10,885.14
  6. Step 6: Final answer
    x = 6,969.47

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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.