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Finding the Fourth Proportional to 18,340.98, 27,507.03 and 8,470.77

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Solution

The fourth proportional to 18,340.98, 27,507.03 and 8,470.77 is: 12,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.98 : 27,507.03 = 8,470.77 : x
  2. Step 2: Convert to fraction form
    18,340.98/27,507.03 = 8,470.77/x
  3. Step 3: Cross multiply
    18,340.98x = 27,507.03 × 8,470.77
  4. Step 4: Simplify right side
    18,340.98x = 233,005,724.51
  5. Step 5: Solve for x
    x = 233,005,724.51/18,340.98
  6. Step 6: Final answer
    x = 12,704.10

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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.