Home / 18,313.40-27,470.10-6,623.89

Finding the Fourth Proportional to 18,313.40, 27,470.10 and 6,623.89

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Solution

The fourth proportional to 18,313.40, 27,470.10 and 6,623.89 is: 9,935.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.40 : 27,470.10 = 6,623.89 : x
  2. Step 2: Convert to fraction form
    18,313.40/27,470.10 = 6,623.89/x
  3. Step 3: Cross multiply
    18,313.40x = 27,470.10 × 6,623.89
  4. Step 4: Simplify right side
    18,313.40x = 181,958,920.69
  5. Step 5: Solve for x
    x = 181,958,920.69/18,313.40
  6. Step 6: Final answer
    x = 9,935.84

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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.