Home / 18,605.08-27,897.90-6,911.92

Finding the Fourth Proportional to 18,605.08, 27,897.90 and 6,911.92

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Solution

The fourth proportional to 18,605.08, 27,897.90 and 6,911.92 is: 10,364.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,605.08 : 27,897.90 = 6,911.92 : x
  2. Step 2: Convert to fraction form
    18,605.08/27,897.90 = 6,911.92/x
  3. Step 3: Cross multiply
    18,605.08x = 27,897.90 × 6,911.92
  4. Step 4: Simplify right side
    18,605.08x = 192,828,052.97
  5. Step 5: Solve for x
    x = 192,828,052.97/18,605.08
  6. Step 6: Final answer
    x = 10,364.27

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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.