Home / 18,816.14-28,224.18-4,776.22

Finding the Fourth Proportional to 18,816.14, 28,224.18 and 4,776.22

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Solution

The fourth proportional to 18,816.14, 28,224.18 and 4,776.22 is: 7,164.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.14 : 28,224.18 = 4,776.22 : x
  2. Step 2: Convert to fraction form
    18,816.14/28,224.18 = 4,776.22/x
  3. Step 3: Cross multiply
    18,816.14x = 28,224.18 × 4,776.22
  4. Step 4: Simplify right side
    18,816.14x = 134,804,968.27
  5. Step 5: Solve for x
    x = 134,804,968.27/18,816.14
  6. Step 6: Final answer
    x = 7,164.33

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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.