Home / 18,711.07-25,814.97-11,637.07

Finding the Fourth Proportional to 18,711.07, 25,814.97 and 11,637.07

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Solution

The fourth proportional to 18,711.07, 25,814.97 and 11,637.07 is: 16,055.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711.07 : 25,814.97 = 11,637.07 : x
  2. Step 2: Convert to fraction form
    18,711.07/25,814.97 = 11,637.07/x
  3. Step 3: Cross multiply
    18,711.07x = 25,814.97 × 11,637.07
  4. Step 4: Simplify right side
    18,711.07x = 300,410,548.40
  5. Step 5: Solve for x
    x = 300,410,548.40/18,711.07
  6. Step 6: Final answer
    x = 16,055.23

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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.