Home / 18,311.40-27,470.34-6,623.64

Finding the Fourth Proportional to 18,311.40, 27,470.34 and 6,623.64

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Solution

The fourth proportional to 18,311.40, 27,470.34 and 6,623.64 is: 9,936.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.40 : 27,470.34 = 6,623.64 : x
  2. Step 2: Convert to fraction form
    18,311.40/27,470.34 = 6,623.64/x
  3. Step 3: Cross multiply
    18,311.40x = 27,470.34 × 6,623.64
  4. Step 4: Simplify right side
    18,311.40x = 181,953,642.84
  5. Step 5: Solve for x
    x = 181,953,642.84/18,311.40
  6. Step 6: Final answer
    x = 9,936.63

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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.