Home / 18,377.04-25,336.50-11,905.16

Finding the Fourth Proportional to 18,377.04, 25,336.50 and 11,905.16

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Solution

The fourth proportional to 18,377.04, 25,336.50 and 11,905.16 is: 16,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.04 : 25,336.50 = 11,905.16 : x
  2. Step 2: Convert to fraction form
    18,377.04/25,336.50 = 11,905.16/x
  3. Step 3: Cross multiply
    18,377.04x = 25,336.50 × 11,905.16
  4. Step 4: Simplify right side
    18,377.04x = 301,635,086.34
  5. Step 5: Solve for x
    x = 301,635,086.34/18,377.04
  6. Step 6: Final answer
    x = 16,413.69

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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.