Home / 18,753.82-28,125.06-6,270.64

Finding the Fourth Proportional to 18,753.82, 28,125.06 and 6,270.64

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Solution

The fourth proportional to 18,753.82, 28,125.06 and 6,270.64 is: 9,404.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,753.82 : 28,125.06 = 6,270.64 : x
  2. Step 2: Convert to fraction form
    18,753.82/28,125.06 = 6,270.64/x
  3. Step 3: Cross multiply
    18,753.82x = 28,125.06 × 6,270.64
  4. Step 4: Simplify right side
    18,753.82x = 176,362,126.24
  5. Step 5: Solve for x
    x = 176,362,126.24/18,753.82
  6. Step 6: Final answer
    x = 9,404.06

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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.