Home / 12,621.66-18,933.52-5,224.74

Finding the Fourth Proportional to 12,621.66, 18,933.52 and 5,224.74

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Solution

The fourth proportional to 12,621.66, 18,933.52 and 5,224.74 is: 7,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621.66 : 18,933.52 = 5,224.74 : x
  2. Step 2: Convert to fraction form
    12,621.66/18,933.52 = 5,224.74/x
  3. Step 3: Cross multiply
    12,621.66x = 18,933.52 × 5,224.74
  4. Step 4: Simplify right side
    12,621.66x = 98,922,719.28
  5. Step 5: Solve for x
    x = 98,922,719.28/12,621.66
  6. Step 6: Final answer
    x = 7,837.54

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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.