Home / 18,607.24-27,915.72-10,808.56

Finding the Fourth Proportional to 18,607.24, 27,915.72 and 10,808.56

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Solution

The fourth proportional to 18,607.24, 27,915.72 and 10,808.56 is: 16,215.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.24 : 27,915.72 = 10,808.56 : x
  2. Step 2: Convert to fraction form
    18,607.24/27,915.72 = 10,808.56/x
  3. Step 3: Cross multiply
    18,607.24x = 27,915.72 × 10,808.56
  4. Step 4: Simplify right side
    18,607.24x = 301,728,734.56
  5. Step 5: Solve for x
    x = 301,728,734.56/18,607.24
  6. Step 6: Final answer
    x = 16,215.66

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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.