Home / 10,813.05-16,221.83-4,573.08

Finding the Fourth Proportional to 10,813.05, 16,221.83 and 4,573.08

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Solution

The fourth proportional to 10,813.05, 16,221.83 and 4,573.08 is: 6,860.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,813.05 : 16,221.83 = 4,573.08 : x
  2. Step 2: Convert to fraction form
    10,813.05/16,221.83 = 4,573.08/x
  3. Step 3: Cross multiply
    10,813.05x = 16,221.83 × 4,573.08
  4. Step 4: Simplify right side
    10,813.05x = 74,183,703.47
  5. Step 5: Solve for x
    x = 74,183,703.47/10,813.05
  6. Step 6: Final answer
    x = 6,860.57

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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.