Home / 18,190.43-27,285.98-5,710.18

Finding the Fourth Proportional to 18,190.43, 27,285.98 and 5,710.18

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Solution

The fourth proportional to 18,190.43, 27,285.98 and 5,710.18 is: 8,565.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.43 : 27,285.98 = 5,710.18 : x
  2. Step 2: Convert to fraction form
    18,190.43/27,285.98 = 5,710.18/x
  3. Step 3: Cross multiply
    18,190.43x = 27,285.98 × 5,710.18
  4. Step 4: Simplify right side
    18,190.43x = 155,807,857.28
  5. Step 5: Solve for x
    x = 155,807,857.28/18,190.43
  6. Step 6: Final answer
    x = 8,565.38

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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.