Home / 18,134.04-27,209.61-8,768.76

Finding the Fourth Proportional to 18,134.04, 27,209.61 and 8,768.76

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Solution

The fourth proportional to 18,134.04, 27,209.61 and 8,768.76 is: 13,157.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.04 : 27,209.61 = 8,768.76 : x
  2. Step 2: Convert to fraction form
    18,134.04/27,209.61 = 8,768.76/x
  3. Step 3: Cross multiply
    18,134.04x = 27,209.61 × 8,768.76
  4. Step 4: Simplify right side
    18,134.04x = 238,594,539.78
  5. Step 5: Solve for x
    x = 238,594,539.78/18,134.04
  6. Step 6: Final answer
    x = 13,157.27

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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.