Home / 18,015.36-27,035.04-6,328.64

Finding the Fourth Proportional to 18,015.36, 27,035.04 and 6,328.64

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Solution

The fourth proportional to 18,015.36, 27,035.04 and 6,328.64 is: 9,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.36 : 27,035.04 = 6,328.64 : x
  2. Step 2: Convert to fraction form
    18,015.36/27,035.04 = 6,328.64/x
  3. Step 3: Cross multiply
    18,015.36x = 27,035.04 × 6,328.64
  4. Step 4: Simplify right side
    18,015.36x = 171,095,035.55
  5. Step 5: Solve for x
    x = 171,095,035.55/18,015.36
  6. Step 6: Final answer
    x = 9,497.18

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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.