Home / 18,187.44-27,280.95-5,039.32

Finding the Fourth Proportional to 18,187.44, 27,280.95 and 5,039.32

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Solution

The fourth proportional to 18,187.44, 27,280.95 and 5,039.32 is: 7,558.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.44 : 27,280.95 = 5,039.32 : x
  2. Step 2: Convert to fraction form
    18,187.44/27,280.95 = 5,039.32/x
  3. Step 3: Cross multiply
    18,187.44x = 27,280.95 × 5,039.32
  4. Step 4: Simplify right side
    18,187.44x = 137,477,436.95
  5. Step 5: Solve for x
    x = 137,477,436.95/18,187.44
  6. Step 6: Final answer
    x = 7,558.92

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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.