Home / 18,376.54-25,359.78-9,993.04

Finding the Fourth Proportional to 18,376.54, 25,359.78 and 9,993.04

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Solution

The fourth proportional to 18,376.54, 25,359.78 and 9,993.04 is: 13,790.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.54 : 25,359.78 = 9,993.04 : x
  2. Step 2: Convert to fraction form
    18,376.54/25,359.78 = 9,993.04/x
  3. Step 3: Cross multiply
    18,376.54x = 25,359.78 × 9,993.04
  4. Step 4: Simplify right side
    18,376.54x = 253,421,295.93
  5. Step 5: Solve for x
    x = 253,421,295.93/18,376.54
  6. Step 6: Final answer
    x = 13,790.48

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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.