Home / 14,399.64-19,877.23-12,375.05

Finding the Fourth Proportional to 14,399.64, 19,877.23 and 12,375.05

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Solution

The fourth proportional to 14,399.64, 19,877.23 and 12,375.05 is: 17,082.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.64 : 19,877.23 = 12,375.05 : x
  2. Step 2: Convert to fraction form
    14,399.64/19,877.23 = 12,375.05/x
  3. Step 3: Cross multiply
    14,399.64x = 19,877.23 × 12,375.05
  4. Step 4: Simplify right side
    14,399.64x = 245,981,631.19
  5. Step 5: Solve for x
    x = 245,981,631.19/14,399.64
  6. Step 6: Final answer
    x = 17,082.48

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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.