Home / 18,906.08-28,356.96-5,056.16

Finding the Fourth Proportional to 18,906.08, 28,356.96 and 5,056.16

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Solution

The fourth proportional to 18,906.08, 28,356.96 and 5,056.16 is: 7,583.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,906.08 : 28,356.96 = 5,056.16 : x
  2. Step 2: Convert to fraction form
    18,906.08/28,356.96 = 5,056.16/x
  3. Step 3: Cross multiply
    18,906.08x = 28,356.96 × 5,056.16
  4. Step 4: Simplify right side
    18,906.08x = 143,377,326.87
  5. Step 5: Solve for x
    x = 143,377,326.87/18,906.08
  6. Step 6: Final answer
    x = 7,583.66

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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.