Home / 18,379.04-25,363.07-9,995.54

Finding the Fourth Proportional to 18,379.04, 25,363.07 and 9,995.54

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Solution

The fourth proportional to 18,379.04, 25,363.07 and 9,995.54 is: 13,793.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379.04 : 25,363.07 = 9,995.54 : x
  2. Step 2: Convert to fraction form
    18,379.04/25,363.07 = 9,995.54/x
  3. Step 3: Cross multiply
    18,379.04x = 25,363.07 × 9,995.54
  4. Step 4: Simplify right side
    18,379.04x = 253,517,403.91
  5. Step 5: Solve for x
    x = 253,517,403.91/18,379.04
  6. Step 6: Final answer
    x = 13,793.84

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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.