Home / 19,245.48-28,868.40-6,765.84

Finding the Fourth Proportional to 19,245.48, 28,868.40 and 6,765.84

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Solution

The fourth proportional to 19,245.48, 28,868.40 and 6,765.84 is: 10,148.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.48 : 28,868.40 = 6,765.84 : x
  2. Step 2: Convert to fraction form
    19,245.48/28,868.40 = 6,765.84/x
  3. Step 3: Cross multiply
    19,245.48x = 28,868.40 × 6,765.84
  4. Step 4: Simplify right side
    19,245.48x = 195,318,975.46
  5. Step 5: Solve for x
    x = 195,318,975.46/19,245.48
  6. Step 6: Final answer
    x = 10,148.82

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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.