Home / 18,816.94-28,225.44-4,776.94

Finding the Fourth Proportional to 18,816.94, 28,225.44 and 4,776.94

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Solution

The fourth proportional to 18,816.94, 28,225.44 and 4,776.94 is: 7,165.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.94 : 28,225.44 = 4,776.94 : x
  2. Step 2: Convert to fraction form
    18,816.94/28,225.44 = 4,776.94/x
  3. Step 3: Cross multiply
    18,816.94x = 28,225.44 × 4,776.94
  4. Step 4: Simplify right side
    18,816.94x = 134,831,233.35
  5. Step 5: Solve for x
    x = 134,831,233.35/18,816.94
  6. Step 6: Final answer
    x = 7,165.42

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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.