Home / 18,506.10-27,763.20-9,150.60

Finding the Fourth Proportional to 18,506.10, 27,763.20 and 9,150.60

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Solution

The fourth proportional to 18,506.10, 27,763.20 and 9,150.60 is: 13,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506.10 : 27,763.20 = 9,150.60 : x
  2. Step 2: Convert to fraction form
    18,506.10/27,763.20 = 9,150.60/x
  3. Step 3: Cross multiply
    18,506.10x = 27,763.20 × 9,150.60
  4. Step 4: Simplify right side
    18,506.10x = 254,049,937.92
  5. Step 5: Solve for x
    x = 254,049,937.92/18,506.10
  6. Step 6: Final answer
    x = 13,727.90

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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.