Home / 18,529.56-27,798.64-5,382.16

Finding the Fourth Proportional to 18,529.56, 27,798.64 and 5,382.16

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Solution

The fourth proportional to 18,529.56, 27,798.64 and 5,382.16 is: 8,074.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.56 : 27,798.64 = 5,382.16 : x
  2. Step 2: Convert to fraction form
    18,529.56/27,798.64 = 5,382.16/x
  3. Step 3: Cross multiply
    18,529.56x = 27,798.64 × 5,382.16
  4. Step 4: Simplify right side
    18,529.56x = 149,616,728.26
  5. Step 5: Solve for x
    x = 149,616,728.26/18,529.56
  6. Step 6: Final answer
    x = 8,074.49

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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.