Home / 13,293.40-19,907.70-6,359.80

Finding the Fourth Proportional to 13,293.40, 19,907.70 and 6,359.80

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Solution

The fourth proportional to 13,293.40, 19,907.70 and 6,359.80 is: 9,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.40 : 19,907.70 = 6,359.80 : x
  2. Step 2: Convert to fraction form
    13,293.40/19,907.70 = 6,359.80/x
  3. Step 3: Cross multiply
    13,293.40x = 19,907.70 × 6,359.80
  4. Step 4: Simplify right side
    13,293.40x = 126,608,990.46
  5. Step 5: Solve for x
    x = 126,608,990.46/13,293.40
  6. Step 6: Final answer
    x = 9,524.20

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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.