Home / 11,238.97-16,860.28-4,219.53

Finding the Fourth Proportional to 11,238.97, 16,860.28 and 4,219.53

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Solution

The fourth proportional to 11,238.97, 16,860.28 and 4,219.53 is: 6,329.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.97 : 16,860.28 = 4,219.53 : x
  2. Step 2: Convert to fraction form
    11,238.97/16,860.28 = 4,219.53/x
  3. Step 3: Cross multiply
    11,238.97x = 16,860.28 × 4,219.53
  4. Step 4: Simplify right side
    11,238.97x = 71,142,457.27
  5. Step 5: Solve for x
    x = 71,142,457.27/11,238.97
  6. Step 6: Final answer
    x = 6,329.98

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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.