Home / 11,623.81-17,435.50-2,858.80

Finding the Fourth Proportional to 11,623.81, 17,435.50 and 2,858.80

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Solution

The fourth proportional to 11,623.81, 17,435.50 and 2,858.80 is: 4,288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.81 : 17,435.50 = 2,858.80 : x
  2. Step 2: Convert to fraction form
    11,623.81/17,435.50 = 2,858.80/x
  3. Step 3: Cross multiply
    11,623.81x = 17,435.50 × 2,858.80
  4. Step 4: Simplify right side
    11,623.81x = 49,844,607.40
  5. Step 5: Solve for x
    x = 49,844,607.40/11,623.81
  6. Step 6: Final answer
    x = 4,288.15

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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.