Home / 18,331.07-25,296.84-9,947.57

Finding the Fourth Proportional to 18,331.07, 25,296.84 and 9,947.57

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Solution

The fourth proportional to 18,331.07, 25,296.84 and 9,947.57 is: 13,727.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.07 : 25,296.84 = 9,947.57 : x
  2. Step 2: Convert to fraction form
    18,331.07/25,296.84 = 9,947.57/x
  3. Step 3: Cross multiply
    18,331.07x = 25,296.84 × 9,947.57
  4. Step 4: Simplify right side
    18,331.07x = 251,641,960.19
  5. Step 5: Solve for x
    x = 251,641,960.19/18,331.07
  6. Step 6: Final answer
    x = 13,727.62

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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.