Home / 10,450.56-15,678.48-4,608.80

Finding the Fourth Proportional to 10,450.56, 15,678.48 and 4,608.80

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Solution

The fourth proportional to 10,450.56, 15,678.48 and 4,608.80 is: 6,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,450.56 : 15,678.48 = 4,608.80 : x
  2. Step 2: Convert to fraction form
    10,450.56/15,678.48 = 4,608.80/x
  3. Step 3: Cross multiply
    10,450.56x = 15,678.48 × 4,608.80
  4. Step 4: Simplify right side
    10,450.56x = 72,258,978.62
  5. Step 5: Solve for x
    x = 72,258,978.62/10,450.56
  6. Step 6: Final answer
    x = 6,914.36

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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.