Home / 11,273.50-16,920.23-5,357.66

Finding the Fourth Proportional to 11,273.50, 16,920.23 and 5,357.66

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Solution

The fourth proportional to 11,273.50, 16,920.23 and 5,357.66 is: 8,041.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273.50 : 16,920.23 = 5,357.66 : x
  2. Step 2: Convert to fraction form
    11,273.50/16,920.23 = 5,357.66/x
  3. Step 3: Cross multiply
    11,273.50x = 16,920.23 × 5,357.66
  4. Step 4: Simplify right side
    11,273.50x = 90,652,839.46
  5. Step 5: Solve for x
    x = 90,652,839.46/11,273.50
  6. Step 6: Final answer
    x = 8,041.23

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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.