Home / 18,240.35-25,170.83-12,271.06

Finding the Fourth Proportional to 18,240.35, 25,170.83 and 12,271.06

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Solution

The fourth proportional to 18,240.35, 25,170.83 and 12,271.06 is: 16,933.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.35 : 25,170.83 = 12,271.06 : x
  2. Step 2: Convert to fraction form
    18,240.35/25,170.83 = 12,271.06/x
  3. Step 3: Cross multiply
    18,240.35x = 25,170.83 × 12,271.06
  4. Step 4: Simplify right side
    18,240.35x = 308,872,639.33
  5. Step 5: Solve for x
    x = 308,872,639.33/18,240.35
  6. Step 6: Final answer
    x = 16,933.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.