Home / 18,172.04-27,265.08-7,086.60

Finding the Fourth Proportional to 18,172.04, 27,265.08 and 7,086.60

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Solution

The fourth proportional to 18,172.04, 27,265.08 and 7,086.60 is: 10,632.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172.04 : 27,265.08 = 7,086.60 : x
  2. Step 2: Convert to fraction form
    18,172.04/27,265.08 = 7,086.60/x
  3. Step 3: Cross multiply
    18,172.04x = 27,265.08 × 7,086.60
  4. Step 4: Simplify right side
    18,172.04x = 193,216,715.93
  5. Step 5: Solve for x
    x = 193,216,715.93/18,172.04
  6. Step 6: Final answer
    x = 10,632.64

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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.