Home / 18,088.96-27,131.28-4,942.48

Finding the Fourth Proportional to 18,088.96, 27,131.28 and 4,942.48

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Solution

The fourth proportional to 18,088.96, 27,131.28 and 4,942.48 is: 7,413.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.96 : 27,131.28 = 4,942.48 : x
  2. Step 2: Convert to fraction form
    18,088.96/27,131.28 = 4,942.48/x
  3. Step 3: Cross multiply
    18,088.96x = 27,131.28 × 4,942.48
  4. Step 4: Simplify right side
    18,088.96x = 134,095,808.77
  5. Step 5: Solve for x
    x = 134,095,808.77/18,088.96
  6. Step 6: Final answer
    x = 7,413.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.