Home / 18,257.25-27,389.84-5,607.05

Finding the Fourth Proportional to 18,257.25, 27,389.84 and 5,607.05

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Solution

The fourth proportional to 18,257.25, 27,389.84 and 5,607.05 is: 8,411.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.25 : 27,389.84 = 5,607.05 : x
  2. Step 2: Convert to fraction form
    18,257.25/27,389.84 = 5,607.05/x
  3. Step 3: Cross multiply
    18,257.25x = 27,389.84 × 5,607.05
  4. Step 4: Simplify right side
    18,257.25x = 153,576,223.00
  5. Step 5: Solve for x
    x = 153,576,223.00/18,257.25
  6. Step 6: Final answer
    x = 8,411.79

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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.