Home / 18,379.26-25,363.26-9,995.76

Finding the Fourth Proportional to 18,379.26, 25,363.26 and 9,995.76

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Solution

The fourth proportional to 18,379.26, 25,363.26 and 9,995.76 is: 13,794.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379.26 : 25,363.26 = 9,995.76 : x
  2. Step 2: Convert to fraction form
    18,379.26/25,363.26 = 9,995.76/x
  3. Step 3: Cross multiply
    18,379.26x = 25,363.26 × 9,995.76
  4. Step 4: Simplify right side
    18,379.26x = 253,525,059.78
  5. Step 5: Solve for x
    x = 253,525,059.78/18,379.26
  6. Step 6: Final answer
    x = 13,794.08

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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.