Home / 10,885.26-16,330.70-4,642.14

Finding the Fourth Proportional to 10,885.26, 16,330.70 and 4,642.14

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Solution

The fourth proportional to 10,885.26, 16,330.70 and 4,642.14 is: 6,964.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.26 : 16,330.70 = 4,642.14 : x
  2. Step 2: Convert to fraction form
    10,885.26/16,330.70 = 4,642.14/x
  3. Step 3: Cross multiply
    10,885.26x = 16,330.70 × 4,642.14
  4. Step 4: Simplify right side
    10,885.26x = 75,809,395.70
  5. Step 5: Solve for x
    x = 75,809,395.70/10,885.26
  6. Step 6: Final answer
    x = 6,964.41

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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.