Home / 18,216.81-27,322.94-5,070.21

Finding the Fourth Proportional to 18,216.81, 27,322.94 and 5,070.21

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Solution

The fourth proportional to 18,216.81, 27,322.94 and 5,070.21 is: 7,604.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.81 : 27,322.94 = 5,070.21 : x
  2. Step 2: Convert to fraction form
    18,216.81/27,322.94 = 5,070.21/x
  3. Step 3: Cross multiply
    18,216.81x = 27,322.94 × 5,070.21
  4. Step 4: Simplify right side
    18,216.81x = 138,533,018.27
  5. Step 5: Solve for x
    x = 138,533,018.27/18,216.81
  6. Step 6: Final answer
    x = 7,604.68

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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.