Home / 10,304.08-15,456.12-4,755.78

Finding the Fourth Proportional to 10,304.08, 15,456.12 and 4,755.78

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Solution

The fourth proportional to 10,304.08, 15,456.12 and 4,755.78 is: 7,133.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,304.08 : 15,456.12 = 4,755.78 : x
  2. Step 2: Convert to fraction form
    10,304.08/15,456.12 = 4,755.78/x
  3. Step 3: Cross multiply
    10,304.08x = 15,456.12 × 4,755.78
  4. Step 4: Simplify right side
    10,304.08x = 73,505,906.37
  5. Step 5: Solve for x
    x = 73,505,906.37/10,304.08
  6. Step 6: Final answer
    x = 7,133.67

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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.