Home / 18,614.31-25,677.34-11,439.23

Finding the Fourth Proportional to 18,614.31, 25,677.34 and 11,439.23

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Solution

The fourth proportional to 18,614.31, 25,677.34 and 11,439.23 is: 15,779.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,614.31 : 25,677.34 = 11,439.23 : x
  2. Step 2: Convert to fraction form
    18,614.31/25,677.34 = 11,439.23/x
  3. Step 3: Cross multiply
    18,614.31x = 25,677.34 × 11,439.23
  4. Step 4: Simplify right side
    18,614.31x = 293,729,057.72
  5. Step 5: Solve for x
    x = 293,729,057.72/18,614.31
  6. Step 6: Final answer
    x = 15,779.75

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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.