Home / 10,950.24-16,428.60-4,372.80

Finding the Fourth Proportional to 10,950.24, 16,428.60 and 4,372.80

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Solution

The fourth proportional to 10,950.24, 16,428.60 and 4,372.80 is: 6,560.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.24 : 16,428.60 = 4,372.80 : x
  2. Step 2: Convert to fraction form
    10,950.24/16,428.60 = 4,372.80/x
  3. Step 3: Cross multiply
    10,950.24x = 16,428.60 × 4,372.80
  4. Step 4: Simplify right side
    10,950.24x = 71,838,982.08
  5. Step 5: Solve for x
    x = 71,838,982.08/10,950.24
  6. Step 6: Final answer
    x = 6,560.49

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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.