Home / 18,713.07-25,817.73-11,639.07

Finding the Fourth Proportional to 18,713.07, 25,817.73 and 11,639.07

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Solution

The fourth proportional to 18,713.07, 25,817.73 and 11,639.07 is: 16,057.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713.07 : 25,817.73 = 11,639.07 : x
  2. Step 2: Convert to fraction form
    18,713.07/25,817.73 = 11,639.07/x
  3. Step 3: Cross multiply
    18,713.07x = 25,817.73 × 11,639.07
  4. Step 4: Simplify right side
    18,713.07x = 300,494,366.71
  5. Step 5: Solve for x
    x = 300,494,366.71/18,713.07
  6. Step 6: Final answer
    x = 16,057.99

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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.