Home / 18,534.18-27,797.61-8,670.81

Finding the Fourth Proportional to 18,534.18, 27,797.61 and 8,670.81

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Solution

The fourth proportional to 18,534.18, 27,797.61 and 8,670.81 is: 13,004.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534.18 : 27,797.61 = 8,670.81 : x
  2. Step 2: Convert to fraction form
    18,534.18/27,797.61 = 8,670.81/x
  3. Step 3: Cross multiply
    18,534.18x = 27,797.61 × 8,670.81
  4. Step 4: Simplify right side
    18,534.18x = 241,027,794.76
  5. Step 5: Solve for x
    x = 241,027,794.76/18,534.18
  6. Step 6: Final answer
    x = 13,004.50

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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.