Home / 18,228.47-27,317.85-9,325.16

Finding the Fourth Proportional to 18,228.47, 27,317.85 and 9,325.16

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Solution

The fourth proportional to 18,228.47, 27,317.85 and 9,325.16 is: 13,975.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.47 : 27,317.85 = 9,325.16 : x
  2. Step 2: Convert to fraction form
    18,228.47/27,317.85 = 9,325.16/x
  3. Step 3: Cross multiply
    18,228.47x = 27,317.85 × 9,325.16
  4. Step 4: Simplify right side
    18,228.47x = 254,743,414.13
  5. Step 5: Solve for x
    x = 254,743,414.13/18,228.47
  6. Step 6: Final answer
    x = 13,975.03

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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.