Home / 13,206.80-19,797.98-4,880.50

Finding the Fourth Proportional to 13,206.80, 19,797.98 and 4,880.50

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Solution

The fourth proportional to 13,206.80, 19,797.98 and 4,880.50 is: 7,316.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.80 : 19,797.98 = 4,880.50 : x
  2. Step 2: Convert to fraction form
    13,206.80/19,797.98 = 4,880.50/x
  3. Step 3: Cross multiply
    13,206.80x = 19,797.98 × 4,880.50
  4. Step 4: Simplify right side
    13,206.80x = 96,623,967.49
  5. Step 5: Solve for x
    x = 96,623,967.49/13,206.80
  6. Step 6: Final answer
    x = 7,316.23

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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.