Home / 14,022.53-19,331.71-11,199.41

Finding the Fourth Proportional to 14,022.53, 19,331.71 and 11,199.41

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Solution

The fourth proportional to 14,022.53, 19,331.71 and 11,199.41 is: 15,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.53 : 19,331.71 = 11,199.41 : x
  2. Step 2: Convert to fraction form
    14,022.53/19,331.71 = 11,199.41/x
  3. Step 3: Cross multiply
    14,022.53x = 19,331.71 × 11,199.41
  4. Step 4: Simplify right side
    14,022.53x = 216,503,641.96
  5. Step 5: Solve for x
    x = 216,503,641.96/14,022.53
  6. Step 6: Final answer
    x = 15,439.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.